what are the 3 types of investigations​

Answer:

A foundation.

Explanation:

Balance can be considered a foundation for other physical skills because it is essential for performing many movements and activities effectively and efficiently. Having good balance helps individuals maintain stability and control over their body, which is important for actions like walking, running, jumping, and even standing still. Without good balance, individuals may struggle with coordination, experience falls or injuries, or have difficulty performing tasks that require precise movements. Therefore, developing and maintaining good balance can serve as a foundation for other physical skills and overall physical health.

Kinetic energy has the following formula: K.E. = 1/2 m v2, where m is the object's mass and v is its square velocity. The kinetic energy is measured in kilograms-meters squared per second squared

A 2-kilogram item accelerates by 10 m/s when a particular force is applied to it. The acceleration of the second object when the same force is applied to it is 4 m/s2.

Newton, therefore, found this gravitational force, and as a result, everyone in the world is subject to the force of the earth, which is what we refer to as the body's weight. the gravitational constant "G" is used. 2 kg will therefore encounter a force of 19.6 N. ​

to know more about work done here:

brainly.com/question/28172139

#SPJ1

The sign of the flux through the right face is consistent with the piercing component of the electric field if the angle between the electric field vector and the area vector of the right face has the correct orientation. If the angle is not consistent, you would need to insert a minus sign to correct the inconsistency. Let's analyze the terms and their relationships.

Flux is a measure of the total amount of some quantity passing through a surface, and in this context, we are referring to electric flux. Electric flux is defined as the dot product of the electric field (E) and the area vector (A) of the surface, mathematically represented as Φ = E • A.

The electric field is a vector quantity that describes the force exerted on a charged particle in the vicinity of other charged particles or objects.

The sign of the electric flux depends on the angle between the electric field vector and the area vector of the surface. If the angle between them is less than 90 degrees, the dot product is positive, and the flux is positive, which indicates that the electric field is entering the surface. If the angle is between 90 and 180 degrees, the dot product is negative, and the flux is negative, which means the electric field is leaving the surface.

Now, to answer your question, the sign of the flux through the right face is consistent with the piercing component of the electric field if the angle between the electric field vector and the area vector of the right face has the correct orientation. If the angle is not consistent, you would need to insert a minus sign to correct the inconsistency.

Learn more about flux at: https://brainly.com/question/13436918

#SPJ11

Extrasolar planet mass can be ten times as that of earth and it's size can be twice as that of earth.

GJ 504b is the planet having lowest mass detected around sun.

HAT-O-67b is the planet having the highest mass with diameter twice as that of Jupiter.

Results show that there are more small planets than the large ones which indicates that small planets are dominant in the galaxy.

Earth-sized planets are common in the galaxy.

Learn more about Solar system here, https://brainly.com/question/23169135

#SPJ4

Answer:

Given,

Object distance, u=25cm

Focal length, f=20cm

From mirror formula

f

1

​

=

v

1

​

+

u

1

​

−20

1

​

=

v

1

​

−

25

1

​

⇒

v

1

​

=−

20

1

​

+

25

1

​

v=100cm

The image will be real, inverted magnified

Explanation:

Given,

Object distance, u=25cm

Focal length, f=20cm

From mirror formula

f

1

​

=

v

1

​

+

u

1

​

−20

1

​

=

v

1

​

−

25

1

​

⇒

v

1

​

=−

20

1

​

+

25

1

​

v=100cm

The image will be real, inverted magnified

The ratio of the time it takes the satellite circling mars to make one revolution divided by the time it takes the satellite orbiting the earth to make one revolution is (Rm/Re)^3/2.(Me/Mm)^1/2

The orbital velocity of the satellite is given by,

V = √(GM/R)

Where,

V is orbital velocity,

G is gravitational constant,

M is the mass of planet,

R is the distance from the centre of the planet to the satellite.

According to given condition,

Ve = √(GMe/Re)

Ve it the orbital velocity of earth,

Me is mass of the earth,

Re is the radius of the earth.

Also,

Vm = √(GMm/Rm)

Vm it the orbital velocity of mars,

Mm is mass of the mars,

Rm is the radius of the mars.

We know, time period of revolution,

T = distance/velocity

Time period od revolution of satelite of earth,

Te = 2πRe/√(GMe/Re)

Time period of revolution of satelite of mars,

Tm = 2πRm/√(GMm/Rm)

Now, dividing the time time period of revolution of mars by time period of revolution of earth,

Te/Tm = [2πRe/√(GMe/Re)]/[2πRm/√(GMm/Rm)]

Te/Tm = (Rm/Re)^3/2.(Me/Mm)^1/2

So the final ratio of both the time periods is (Rm/Re)^3/2.(Me/Mm)^1/2.

To know more about time period of satellite, visit,

https://brainly.com/question/28103637

#SPJ4

All periodic motions are not circular bcox they aren't similar to each other as u know the motion repeats the periodic table and also repeats itself of the tym perform the motion of the periodic...

Answer:

t is usually seen that all circular motions are usually periodic

Explanation:

but all periodic motions are not circular

this can be proved by an example for example when vehicles runs in uniform speed of motion then its speed is called periodic motion

where is his speed might not be called circular motion

if my answer is correct please mark my answer as brainliest

Answer: Resistance

Explanation:

Parachutes will limit the acceleration of the fall by

utilizing maximum air resistance

Therefore, parachute uses maximum air resistance to limit the acceleration of the fall

Learn more at: https://brainly.com/question/14877316?referrer=searchResults

The temperature change produced by a given amount of heat depends on the nature of the substance and its mass because different substances have different specific heat capacities.

The specific heat capacity of a substance is the amount of heat energy required to raise the temperature of one gram of the substance by one degree Celsius.

Different substances have different specific heat capacities due to differences in their molecular structures and the way their atoms and molecules interact with each other. F

or example, water has a higher specific heat capacity than most other common substances, which means it takes more heat energy to raise the temperature of water than it does to raise the temperature of other substances by the same amount.

The mass of a substance also affects the temperature change produced by a given amount of heat. The more mass a substance has, the more heat energy it can absorb before its temperature changes significantly.

To know more about specific heat capacities, refer here:

https://brainly.com/question/14646878#

#SPJ11

The fitness industry that is among the easiest to avoid for people who want to get and stay fit is the industry of losing weight.

This is because fitness training includes anything from cardiovascular exercises, like running, jogging, etc to strength training like bench presses, deadlifts, squats, etc.

However, when it comes to losing weight, this involves a variety of exercises and this can be difficult and takes time, hence, people tend to avoid it.

This refers to the process of working out or engaging in exercises in order to be in a healthy state and well-being.

Hence, we can see that The fitness industry that is among the easiest to avoid for people who want to get and stay fit is the industry of losing weight.

This is because fitness training includes anything from cardiovascular exercises, like running, jogging, etc to strength training like bench presses, deadlifts, squats, etc.

However, when it comes to losing weight, this involves a variety of exercises and this can be difficult and takes time, hence, people tend to avoid it.

Read more about the fitness industry here:

https://brainly.com/question/27525209

#SPJ1

Magnetism can create potential difference through a process known as electromagnetic induction.

Electromagnetic induction occurs when a conductor, such as a wire, is moved through a magnetic field. The movement of the conductor through the magnetic field creates a potential difference, or voltage, across the conductor. This potential difference can then be used to create an electric current.

The relationship between magnetism and potential difference is described by Faraday's Law of Induction, which states that the induced electromotive force (EMF) in a closed circuit is equal to the negative of the rate of change of the magnetic flux through the circuit. In other words, the potential difference created by magnetism is proportional to the rate of change of the magnetic field.

Learn more about Electromagnetic induction here: https://brainly.com/question/2292919.

#SPJ11

Answer:

Hello There!!

Explanation:

The answer is=>A.blue, base.

hope this helps,have a great day!!

~Pinky~

\(\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}\)

A.blue, base.

The speed at which the paper clip be launched horizontally, given that the paper clip has a mass of 0.01 Kg is 5.81 m/s

We'll begin by obtaining the energy stored in the stored in rubber. This is shown below:

E = ½Ke²

E = ½ × 15× 0.15²

E = 7.5 × 0.0225

E = 0.16875 J

Finally, we shall determine the speed. Details below:

KE = ½mv²

0.16875 = ½ × 0.01 × v²

0.16875 = 0.005 × v²

Divide both side by 0.005

v² = 0.16875 / 0.005

Take the square root of both side

v = √(0.16875 / 0.005)

v = 5.81 m/s

Thus, the speed is 5.81 m/s

Learn more about speed:

https://brainly.com/question/13923042

#SPJ1

Answer:

5 N

Explanation:

To calculate the force applied to the object, you can use the formula:

Force = (Final Momentum - Initial Momentum) / Time

Here, the initial momentum (pi) is 20 kg m/s, the final momentum (pf) is 30 kg m/s, and the time taken (t) is 2 seconds. Substituting these values in the formula, we get:

Force = (30 kg m/s - 20 kg m/s) / 2 s

Force = 10 kg m/s / 2 s

Force = 5 Newtons

Therefore, the force applied to the object is 5 Newtons.

The indexing head is mostly used for rotating the workpiece in one degree increments.

The device you are referring to is called an "indexing head" or "dividing head." It is primarily used for rotating the workpiece in one-degree increments. The indexing head is a crucial tool in various machining operations such as milling, grinding, and gear cutting. It allows precise and accurate positioning of the workpiece for performing multiple operations, ensuring uniform spacing and precise angles.

By rotating the workpiece in one-degree increments, the indexing head enables machinists to produce complex and intricate geometries with high accuracy. The dividing head is equipped with a worm gear mechanism that enables the smooth and controlled rotation of the workpiece. It also has an adjustable indexing plate with multiple holes that allow for varying degrees of rotation.

In summary, the indexing head plays a vital role in numerous machining processes by enabling precise rotation and positioning of the workpiece in one-degree increments, ensuring accurate and consistent results in creating complex geometrical shapes.

Learn more about index here,

https://brainly.com/question/30364885

#SPJ11

Answer:

filament bulb, filament lamp

Explanation:

More length of a wire is a component that has a greater resistance as the current through it increases​.

The resistance of a long wire is greater than the resistance of a short wire because electrons collide with more ions present in the wire as they pass through. The moving electrons can collide with the ions present in the metal.

This makes more difficult for the current to flow and causes resistance in the wire so we can conclude that more length of a wire is a component that has greater resistance as more current passes through it.

Learn more: https://brainly.com/question/22706894

The effort required to raise a 5,000 N anvil one meter is 5,000 joules.

In physics, work is defined as the product of force and displacement. The formula for calculating work is W = F * d, where W represents work, F represents force, and d represents displacement. In this case, we are given that lifting a 20,000 N anvil one meter requires 20,000 joules of work.

Since work is directly proportional to force, we can calculate the effort required to raise a 5,000 N anvil by using the given proportion. By setting up a proportion between the work and force for the two anvils, we can find the effort required.

20,000 N / 20,000 J = 5,000 N / X

Cross-multiplying and solving for X, we find that X = (5,000 N * 20,000 J) / 20,000 N. Simplifying this equation gives us X = 5,000 J.

Therefore, the effort required to raise a 5,000 N anvil one meter is 5,000 joules.

Learn more about Effort

brainly.com/question/9457233

#SPJ11

La energía no se crea ni se destruye solo se transforma

Explanation:

espero y te ayude

The standard deviation of the process is 0.55. With z = 3, is the fast-food operation currently capable of meeting management specifications. = 0.49, so the process is not capable of meeting management specification. Hence option A is correct.

Process capacity () is a metric that accounts for both process variability and process departure from the goal specification. It is determined as the smaller of two ratios: the ratio of the difference between the target specification and the process mean divided by three times the process standard deviation; and the ratio of the difference between the upper and lower specification limits divided by three times the process standard deviation.

= min[(USL - x)/(3σ), (x - LSL)/(3σ)]

where USL is the upper specification limit, LSL is the lower specification limit, x is the process mean, and σ is the process standard deviation.

= min[(12.65 - 11) / (3 × 0.55), (11 - 9.35) / (3 × 0.55)] = min[0.49, 1.17] = 0.49

Since the number is below 1, the process cannot satisfy management requirements. The correct response is (a), meaning that the process cannot fulfil management specifications since = 0.49.

To know more about deviation :

https://brainly.com/question/31835352

#SPJ1.

Answer:

Explanation:

It is the case of perfectly elastic collision . So we shall apply formula of velocity after collision as follows .

Let  m₁ and m₂ be the mass colliding with velocity u₁ and u₂ and their velocity become v₁ and v₂ after collision .

\(v_1=\frac{(m_1-m_2)u_1 }{m_1+m_2)} +\frac{2 m_2u_2}{(m_1+m_2)}\)

Putting the values

\(v_1=\frac{ (.30-.80).40 }{( .30+.80)} +\frac{2\times .80\times(-.15) }{(.30+.80 )}\)

= - 0.4 m /s

So direction of .30 kg mass will be reversed .

\(v_2=\frac{ ( m_2-m_1) u_2 }{( m_1+m_2)} +\frac{2 m_1u_1}{(m_1+m_2)}\)

putting the values

\(v_2=\frac{ ( .80-.30)(-.15) }{( .30+.80)} +\frac{2 \times.30\times.40}{(.30+.80)}\)

= .15 m /s

The direction of .80 kg will become from left to right ie its direction will be reversed .

b ) Minimum amount of kinetic energy will be at the position when they move with common velocity

common velocity

v = .3 x .4 - .8 x .15 / (.3 + .8)

= 0

c )

Missing energy is stored as elastic potential energy in the spring .

(6) The angular speed of the blade is 293.2 rad/s.

(7) The linear speed of the tips of the blades in miles per hour is 305.4  mph.

(8) The linear speed of the tips of the blades in feet per second is 8.71 ft/s.

(9) The linear speed in miles per hour in which he is traveling is 10.78 mph.

(6) The angular speed of the blade is calculated as follows;

Diameter of the blade = 9 inches, radius = 4.5 inches

angular distance of the blade = 2800 rev/min

ω = 2800 rev/min  x 2π rad/rev  x  1 min / 60s

ω = 293.2 rad/s

(7) The linear speed of the tips of the blades in miles per hour is calculated as;

v = ωr

the angular speed, ω = 5 rev/s  x 2π rad/rev = 31.42 rad/s

r = 14 ft = 0.0027 mile

the linear speed, v = 31.42 rad/s  x 0.0027  mile = 0.085 mi/s

= 0.085 mi/s x 3600 s / hr = 305.4  mph

(8) The linear speed of the tips of the blades in feet per second is calculated as;

r = 25 inch = 2.08 ft

ω = 40 rev/min  x  2π rad/rev  x 1 min / 60s = 4.19 rad/s

the linear speed = v = 4.19 rad/s x 2.08ft = 8.71 ft/s

(9) The linear speed in miles per hour in which he is traveling is calculated as;

Diameter = 28 inches, radius = 14 inches

14 inches = 0.00022 mile

ω = 130 rev/min  x  2π rad/rev   x   60 min/1 hr = 49,008.85 rad/hr

the linear speed, v = 49,008.85 rad/hr x  0.00022 mile = 10.78 mph

Learn more about angular and linear speed here: https://brainly.com/question/15154527

#SPJ4

Answer: I think the answer is d

Explanation: sry if wrong

Answer:

35 kilogram per stair will weight

Answer:

It is already balanced

Explanation:

It is already balanced

Answer:

The acorn hit the ground 3 m far away from me.

Explanation:

Here ,

time taken by the  acorn to fall be 't',

Height of the tree is 20m ,

so \(S= 20m\)

Acceleration due to gravity is -\(a=9.8\frac{m}{s^2}\approx 10 \frac{m}{s^2}\)

Initial velocity is 0 ,so  u=0

According to the second equation of motion ,

\(s=ut+\frac{1}{2} at^2\)

\(20=\frac{1}{2} \times10\times t^2\)

\(t^2=4\)    

\(t=2\)sec.

Distance travelled by you in 2 sec

\(\text{Distance} = \text{Speed} \times \text{Time}\)

Put speed=  1.5m/s² and time = 2sec

\(Distance= 1.5 \times 2\\Distance=3m\)

 Hence , the acorn hit the ground 3m far away from me.            

Answer:

the answer is B.

Explanation:

The ball that is thrown straight up has more kinetic energy and more speed than the ball that is thrown straight down. Both balls have the same kinetic energy and speed.

The kinetic energy of a body can be determined as the energy of a moving physical system because of its motion. Work has to be done on an object to change its kinetic energy.

The kinetic energy of the moving system can be expressed as K.E. = ½mv²  where ‘m’ is mass while ‘v’ is the velocity of the object.

The potential Energy of the physical system can be described as the energy stored due to its position. The mathematical formula for the calculation of the potential energy can be expressed in the form of P.E = m×g×h where ‘g’ is the gravitational acceleration, ‘m’ is the mass and ‘h’ is the height in meters

When two identical balls are thrown from a cliff, each with the same speed. One ball is thrown straight up, and the other ball is straight down. Both balls will have the same kinetic energy as well as speed.

Learn more about kinetic energy and potential energy, here:

brainly.com/question/15764612

#SPJ2

Answer:

1. 7.105 kg    2. 69.629 N    3. 7.105 kg    4. 11.368 N

Explanation:

Firstly the main point is that " mass " is independentnof the the place wheather it is no earth or moon or some else place.

So mass is

   W = mg

    27 = m 3.8

     m =7.105 kg

1. Mass on Earth :

     m = 7.105 kg

2. Weight on Earth:

    W=mg

    W=7.105 × 9.8

   W = 69.629 N

3.Mass on Moon:

   m = 7.105 kg

4. Weight on Moon:

    W =mg

    W =7.015 ×1.6

    W= 11.368 N

Answer:

Here's a list of a few reasons behind cracked or chipped walls:

Moisture-laden walls

Weather conditions

Incompatibility with the surface

Inferior-quality paints

Let’s discuss each of them one by one.

Explanation:

Lots of moisture

In a house, bathroom and kitchen are the two places where there is a lot of moisture and dampness. Therefore, you will see that these places are the first to report the problem of flaky paint. When moisture is absorbed, it passes through various coats of paint, removing the adhesive that sticks the paint to the wall. Therefore, you can spot paint coming off in the form of flakes or like a banana peel. This shows the extra moisture in the walls need to be addressed immediately.

Too much sunlight

Paint often chips off walls due to high temperatures. If direct sunlight hits the walls all day, it can cause the paint to dry out faster. The oil paints start to crack, while latex paints lose their quality to stick to the walls.

Incompatible paints

When painting, it is extremely important to use the same kind of paint on the surface that’s being coated. For instance, if it is latex paint, it isn’t compatible with oil-based paints and shouldn’t be painted on top of each other. If you are planning to use the leftover oil-paint as a second coat over the base coat of latex paint, then be prepared to see the paint coming off sooner than expected.

Also, make sure the surface on which you are about to paint is compatible with the paint you are using. For instance, smooth surfaces require a certain kind of paint and layering that keeps the coating intact. For uneven surfaces, it’s better to go for textured paint. It is important to prime and prep the surface first before applying a coat of paint to make sure the paint doesn’t come off easily.

Low-quality paints

Some paints seem good, especially to your wallet, but once you use them, you will face bad consequences. Inferior-quality paints do not adhere to the walls properly and also do not give a nice finish once the paint job is done. To avoid cracks in the walls, do not use low-quality or expired paints.