Consider a uniform solid sphere of radius R and mass M rolling without slipping. Which form of its kinetic energy is larger, translational or rotational? Isphen® İMR2 A) Its rotational kinetic energy is larger than its translational kinetic energy D) You need to know the speed of the sphere to tell b Iis translational kinetic energy is larger than its rotational kinetic energy C) Both forms of energy are equal.

Answer:

When the parcel rises, its volume expands as it strives to maintain equilibrium with the lower pressure outside the air mass and pushes into the surrounding atmosphere. In this way, some of the thermal energy added to the air is used for expansion rather than warming.

(a) The support of K can be given by {0, 1, 2, 3, 4}.

(b) The set of events in which the aircraft is functioning can be given as follows: {K ≥ 1}, which means the aircraft is functioning if and only if at least one of its engines is functioning properly.

(c) Let's assume that the probability of each engine functioning properly is given by p. So, the probability of any particular engine malfunctioning or not functioning properly is (1 - p).

Since the aircraft is functioning if and only if at least one of its engines is functioning properly, the probability of system reliability can be calculated using the following formula:

P(K ≥ 1) = 1 - P(K = 0)

Since each engine functions independently of each other, the probability of each engine malfunctioning can be multiplied together. Thus, we have:

P(K = 0) = (1 - p)^4

Then,

P(K ≥ 1) = 1 - P(K = 0)

= 1 - (1 - p)^4

Therefore, the probability of the aircraft functioning, which represents system reliability, is given by 1 - (1 - p)^4.

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The characteristic of Earth that maintains its atmosphere is gravity. Gravity is the force that pulls the gas molecules towards the Earth's surface, preventing them from escaping into space.

The atmosphere is made up of different types of molecules, including nitrogen, oxygen, and carbon dioxide, which are constantly in motion due to the Earth's rotation and the heat from the sun. However, gravity is what holds these molecules in place and creates a stable atmosphere around our planet.In contrast, planets such as Mars and Venus have weaker gravity and have lost much of their atmospheres over time. Our moon also has no atmosphere, as it lacks the gravitational force necessary to hold onto gas molecules. Overall, the strength of gravity is a crucial factor in determining the stability and composition of a planet's atmosphere.

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complete question:

Some planets (and our moon) have no atmospheres. What characteristic of the Earth maintains the atmosphere surrounding our planet?

A. The types of molecules in the atmosphere.

B.  Gravity.

D. It has only one satellite.

D. Tides

No, the elastic potential energy stored in the pole of a pole vaulter is not the only type of potential energy involved in pole-vaulting.

In pole-vaulting, there are multiple forms of potential energy involved. While the elastic potential energy stored in the pole plays a crucial role, other forms of potential energy include gravitational potential energy and kinetic energy.

1. Elastic Potential Energy: The pole used in pole-vaulting is typically made of flexible materials, such as fiberglass or carbon fiber, which store elastic potential energy when bent or compressed. This stored energy is then released, propelling the vaulter upwards.

2. Gravitational Potential Energy: As the vaulter reaches the highest point of their vault, they have gained gravitational potential energy due to their increased height above the ground. This potential energy is converted into other forms of energy as the vaulter descends.

3. Kinetic Energy: Throughout the vaulting process, the vaulter's body also possesses kinetic energy, which is the energy of motion. The vaulter's initial speed and subsequent acceleration contribute to their kinetic energy, allowing them to gain momentum and clear the bar.

Therefore, while the elastic potential energy stored in the pole is an important component, there are other forms of potential energy involved in pole-vaulting, namely gravitational potential energy and kinetic energy.

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Answer:

FM radios

Microwaves

Tv remote controls

X-rays

(Hope this helps)

Explanation:Its on edge

All these devices use electromagnetic waves:

What are EM Waves?

Therefore, all devices except alarm clocks has electromagnetic waves.

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The image distance is 60 cm.

To solve this problem, we can use the mirror equation:

1/f = 1/do + 1/di

Where f is the focal length of the mirror, do is the object distance, and di is the image distance.

We are given that f = 45 cm and di = (1/3)do.

(a) To find do, we can rearrange the equation to solve for do:

1/f - 1/di = 1/do

Substituting the values we know:

1/45 - 1/(1/3)do = 1/do

Simplifying:

1/45 - 3/do = 1/do

Multiplying both sides by 45do:

do - 135 = 45

do = 180 cm

So the object distance is 180 cm.

(b) To find di, we can use the equation:

1/f = 1/do + 1/di

Substituting the values we know:

1/45 = 1/180 + 1/di

Simplifying:

1/di = 1/45 - 1/180

1/di = 1/60

di = 60 cm

So the image distance is 60 cm.

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The answer is 6.

Add 4 then divide 2. You should have 18 after you do that, subtract 10 then multiply 20. You then have 6.

Answer:

maneeee , i just need a couple points so ..

Explanation:

hehee , played yall

The formula equivalent to D=m/V is V=m/D.

The mass of a substance per unit of volume is referred to as density. This is represented in the formula as, D=m/V.

Here, D is density, m is mass, and V is the volume. To find which formula is equivalent to this formula, we have to follow the below steps.

Since V is present on left in all the given options. So let's take V as the subject of the formula.

By doing so, bring V to the left side of the density formula. Therefore,

VD=m

To eliminate D on the left side, divide both sides by D. We get,

\(\begin{aligned}\frac{VD}{D}&=\frac{m}{D}\\V&=\frac{m}{D}\end{aligned}\)

So, the correct option is A.) V=m/D.

The complete question is -

Which formula is equivalent to D = m/V?

A.) V= m/D

B.) V = mV/D

C.) V = Dm

D.) V = D/m

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It is true that the spongy bone is composed of osteocytes

The spongy bone is also called as cancellous bone or trabecular bone. It is commonly found in animals. It is porous and vascularized. It contains red bone marrow. It is commonly located at the end of a long bone and is surrounded by a compact bone.

The functions of spongy bone is as follows:

Therefore, it is true that the spongy bone is composed of osteocytes

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Answer:

3.5 N/cm²

Explanation:

Weight = 70 x 10 =700 N  

Pressure = weight/area=700/200=3.5 N/cm²

Answer:

Difference : Balloon framing go through from foundation to top floor while Platform do not

advantages and disadvantages

Balloon framing : It has less vertical shrinkage  ( disadvantage )

platform framing : It has more vertical shrinkage and fire stops ( advantage )

platform framing : It is easier and safer to use

Reason for platform framing :

Due to these advantages Platform framing has become a better choice

Little added fire stopping is required in platform framing because of double tap plate present which can act as as a fire stop

Steel beam/ glue laminated wood beam is preferred at foundation level because wood beam under the ground will most likely shrink over time

Explanation:

Differences : Balloon framing a form of building houses using a special kind of timber construction its studs start from the foundation and go to all the way to the last floor while in Platform framing the studs are interrupted by floor platforms ( i.e. they do not go through like in Balloon framing )

advantages and disadvantages

Balloon framing : It has less vertical shrinkage  ( disadvantage )

platform framing : It has more vertical shrinkage and fire stops ( advantage )

platform framing : It is easier and safer to use

Reason for platform framing :

Due to these advantages Platform framing has become a better choice

Little added fire stopping is required in platform framing because of double tap plate present which can act as as a fire stop

Steel beam/ glue laminated wood beam is preferred at foundation level because wood beam under the ground will most likely shrink over time

Answer:

When you have two materials with the same index of refraction, it means that if they are touched by a ray of light it won't have a chance, and its form would prevail.

Explanation:

The reason behind this is that in the first place. When light passes through an object of certain refraction it is modified from its natural state, allowing it to change in color to the human eye or many other effects in other perceptive elements. However, when the same light passes through two objects with the same refraction due to their physical characteristics, it doesn't change because once it comes out of the first one it will suffer the same effect from the last one. For it to change the refraction would have to be higher or lower. Then it would be modified. The reason is because the dimensions are not modified. Because at some point the ray of light has to come out of the first one to enter the second one.

Explanation:

Power = work done/time

=> 212/40 = 5.3W

hope this helps you.

Answer:

Work hasn't been done by Michael because no distance was covered.

Explanation:

Workdone is given by the formula;

\( Workdone = F * s\)

Where;

W is the work done

F represents the force acting on a body.

s represents the distance covered by the body.

Hence, work hasn't been done by Michael because no distance was covered, as the table didn't move at all. Therefore, work done is zero.

The average velocity in the first 45 seconds 3.11m/s and in the next 25 seconds is 3.6m/s and finally the average velocity for the entire trip is 3.28 m/s

The displacement of an object over time is its average velocity. We divide the distance traveled by the amount of time to determine an object's average speed. We are aware that velocity is a vector quantity, and that dividing displacement by time yields the average velocity.

1 ) 140 m to west in 45 seconds .

2 ) 90 m to east in 25 seconds .

The distance travelled by the balloon in first 45 s = 140 m

distance travelled by the balloon in next 25 s = 90 m

Total distance travelled by the balloon = 140 m + 90 m = 230 m

J ) average speed in first 45 s= distance in 45 s

= 140 ÷45 = 3.11 m /s

K ) average speed in next 25 s

distance in 25 s / 25

= 90÷ 25 = 3.6 m /s

L) average in entire trip

=  total distance / total time

= (140 + 90) ÷( 25 + 45 )

= 3.28 m /s

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Answer: Equilibrium is the state in which market supply and demand balance each other, and as a result prices become stable. The balancing effect of supply and demand results in a state of equilibrium.

This is the answer please ap mujhe follow kar lo please

Answer:

Nonrenewable resources are in limited supply.

Once nonrenewable resources run out, they cannot be replaced.

Even though fossil fuels can still form in nature, fossil fuels are considered nonrenewable resources.

Answer:

Even though fossil fuels can still form in nature, fossil fuels are considered nonrenewable resources.     Nonrenewable resources are in limited supply.        Once nonrenewable resources run out, they cannot be replaced.

Explanation:

Sitting by a fire is an example of thermal radiation because the fire emits heat in the form of electromagnetic waves that are absorbed by nearby objects.

What is thermal radiation?

Thermal radiation is the transfer of heat energy in the form of electromagnetic waves, without requiring a medium to travel through. It can be emitted by any object with a temperature above absolute zero and can be absorbed by other objects, causing them to heat up.

Sitting by a fire is an example of thermal radiation because the fire emits electromagnetic radiation in the form of heat. When the fire burns, it produces thermal energy, which causes the molecules in the fire to vibrate and emit electromagnetic waves that carry thermal energy. These waves can be absorbed by nearby objects, including people sitting around the fire, causing them to heat up.

The transfer of heat through thermal radiation does not require a medium to travel through, unlike conduction and convection. This means that the heat can be transferred through the vacuum of space, making thermal radiation an important means of heat transfer in the universe, particularly for objects that are too far apart to transfer heat by conduction or convection.

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Answer:

1.F = 256 N

2.a = 8 m/s/s

By looking at the given information, you know force, and an acceleration. Therefore you have enough information to use the first formula.

F = ma

256 N = m * 8 m/s/s

m = 256 N/8 m/s/s

m = 32 Kg

Each of the vehicle's six wheels would have a wheel speed sensor, but there would only be four modulators in the six-in/four-out system.

Anti-lock braking systems (ABS) help you manoeuvre in an emergency by restoring traction to your tyres. What It Does: Assists in stopping wheel locking so that the driver may steer to safety. What It Isn't Able To Do The stopping distance might not be lowered, and it's okay if the pedal wobbles or pushes back.

By keeping the brakes from locking, ABS gives the driver better steering control while braking. ABS rarely activates, unless you reside in a state with lots of snow and ice. It groans and rattles when it does. Many motorists claim that they feel as though their brakes had failed.

The main drawback of ABS brakes is the additional expense that it adds to the base price of a vehicle. Additionally, maintenance expenses increase since each wheel's pricey sensors might be expensive to replace if they become out of calibration. Anti-lock brakes' primary function is to offer sure-footed braking.

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Answer:

Mass and kinetic energy have a positive relationship, which means that as mass increases, kinetic energy increases, if all other factors are held constant.

In this state, Kinetic energy is equal to half of the product mass and velocity. SI unit is joules. So it's if the mass is doubled then the kinetic energy also gets doubled.

The image is virtual, upright, and 10.5 cm high (1.5 times the height of the object).

To describe the image formed by a convex spherical mirror, we need to use the mirror equation:

1/f = 1/do + 1/di

where

f is the focal length of the mirror,

do is the object distance (the distance from the object to the mirror), and

di is the image distance (the distance from the mirror to the image).

We can solve for di to find the image distance:

1/f - 1/do = 1/di

For a convex mirror, the focal length is negative, so we can substitute f = -45 cm:

1/-45 - 1/15 = 1/di

Solving for di, we get:

di = -22.5 cm

The negative sign indicates that the image is virtual (not a real image that can be projected onto a screen) and upright.

To find the size of the image, we can use the magnification equation:

m = -di/do

Substituting our values, we get:

m = (-22.5 cm) / (15 cm)

   = -1.5

The negative sign again indicates that the image is inverted compared to the object, and the magnitude of the magnification indicates that the image is 1.5 times larger than the object.

Therefore, the image is virtual, upright, and 10.5 cm high (1.5 times the height of the object).

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Answer: C. 20.25J

Explanation: KE = 1/2 m v^2

m= .005, v= 90

1/2 * .005 * 90^2 =  20.25J

Answer:Boiling at its boiling point

Explanation:

Answer:

477.75cm^2

Explanation:

Area formula is L x W

27.3cm x 17.5cm = 477.75cm^2

Answer:

477.75

Explanation:

multiply one side by the other

Answer:

The total frictional force equals 60 N

Explanation:

We know that F - f = ma where F is the applied force, f is the frictional force, m the mass of the object and a its acceleration.

Now, since the cart moves with constant velocity, its acceleration is zero. So, a = 0.

So F - f = ma

F - f = m(0) = 0

F - f = 0

So, F = f

From the above, we see that the frictional force equals the applied force which is equal to 60 N.

So, f the total frictional force equals 60 N

The moon exert 7% more gravitational fore on the near side of the earth than the far side of the earth.

Define gravitational force?

The gravitational attraction attracts any two things in the cosmos, whether they have equal masses or not. Furthermore, Newton's Universal Law of Gravitation asserts that everything, including you, pulls every other item in the universe. Newtons, abbreviated N, are the unit of gravitational force.

Gravity (from Latin gravitas 'weight') is a basic interaction in physics that produces mutual attraction between all entities having mass or energy. Gravity is by far the weakest of the four basic interactions, roughly 1038 times weaker than the strong interaction, 1036 times weaker than the electromagnetic force, and 1029 times weaker than the weak interaction.

The distance between the moon and earth was =3.84 x 10^8m

earth radius was =6.37 x 10^6m

gravitational force near side = Fn=GMmxM/(D-r)^2------>1

gravitational force far side= Ff=GMmxM/(D+r)^2---------->2

(Fn-Ff/Fn) x 100

=1-({(D-r)^2}/(D+r) ) x 100

=1- (098/1.02)^2 x 100

= 7%

The moon has 7% more gravitational force at near side than far side.

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From the pull-down menu below, select. Although they are not the same vectors, they share the same components. Determine the order of the vector combinations based on their magnitude.

What is the vector's magnitude?

By using the symbol |v|, the magnitude of a vector formula can be used to determine the length for a given vector (let's say v). In essence, this quantity represents the distance between the vector's beginning point and ending point.

How is the sum of vectors graphed?

The first vector is drawn on a graph using the head-to-tail approach, which then places the tail of each next vector at the head of the preceding vector. From the tail of the first vector to the head of the last vector, the resulting vector is then drawn.

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Answer:

the answer is all of the above

Explanation:

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Answer:

C. oversaturated

Explanation:

Sana nakatulong