Create a diagram. cell, switch, two lamps, all connected in series

Given:

The mass of the roller coaster is m = 1778.6 kg

The velocity of the roller coaster is v = 24.5 m/s

To find the kinetic energy of the roller coaster.

Explanation:

The formula to calculate the kinetic energy is

Substituting the values, the kinetic energy will be

Final Answer: The kinetic energy of the roller coaster is 533802.325 J.

If the force provided by the engine of a toy car decreases, the car will slow down and eventually come to a stop.

1. The force provided by the engine of a toy car is responsible for propelling it forward at a constant speed. This force overcomes any friction or resistance acting on the car.

2. When the force provided by the engine decreases, there is a reduction in the overall force acting on the car. As a result, the force can no longer counteract the resistance and friction effectively.

3. The resistance and friction acting on the toy car, such as air resistance and the friction between the wheels and the surface, start to have a greater impact on the car's motion.

4. With a reduced force from the engine, the car begins to slow down gradually. The deceleration occurs because the opposing forces now have a greater influence on the car's motion.

5. As the force continues to decrease, the opposing forces eventually surpass the remaining force from the engine. Consequently, the toy car slows down even more and eventually comes to a complete stop.

6. If the force provided by the engine becomes extremely low or nonexistent, the opposing forces will completely overpower the forward force, causing the toy car to stop moving altogether.

In summary, when the force provided by the engine of a toy car decreases, the car's speed decreases, and it eventually comes to a stop due to the increased influence of opposing forces.

For more such questions on force, click on:

https://brainly.com/question/28163757

#SPJ8

A stopped roller coaster cart (velocity = 0 m/s) with a mass of 12,000 kg starts from the top of

the track at a height of 35 meters. It begins to roll down to the bottom (where height will be 0 meters).

KE = PE = mgh

KE = (12,000)(9.8)(35)

= 4,116,000

What is height?

To know more about heights, click the link given below:

https://brainly.com/question/26318016

#SPJ1

Answer:

Energy that is transformed is neither destroyed nor created.

Explanation:

Answer:

B: Energy that is transformed is neither destroyed nor created

Explanation:

Answer:

Eastward = 34.05m

Northward = 66.8m

Explanation:

First, let's define our coordinate axis.

I will choose the North as the positive y-axis and the East as the positive x-axis.

Now we will work with polar coordinates, r and θ and remember that if we want to recover the rectangular coordinates, we need to compute:

x = r*cos(θ)

y = r*sin(θ)

(remember that θ is measured counterclockwise from the positive x-axis)

Now we have:

"... 75 m long displacement vector..."

r = 75m

"...points in a direction of 27° E of N..."

This means that the measure is from the positive y-axis, clockwise (so this is not equivalent to θ).

Now, remember that the angle between the positive y-axis and the positive x-axis is 90°.

Then we will have that θ is the complementary angle to 27°, or:

θ = 90° - 27° = 63°

Now we have θ and r, then we can calculate the rectangular components:

x = 75m*cos(63°) = 34.05m (this is the Eastward component)

y = 75m*sin(63°) = 66.8m (this is the Northward component)

Answer:

In an ionic bond the valence electrons are transferred from the metal

Explanation:

Answer: I’m not sure but my guess would be A.

Explanation:

To solve this we must be knowing each and every concept related to velocity and its calculation. Therefore, the final velocity of the coin is 24.3 m/s.

Velocity is a vector-based evaluation of an object's rate of motion and direction of motion. As a result, in order to calculate velocity using this definition, we must be familiar with both magnitude and direction.

For example, if an item travels west with 5 meters a second (m/s), its velocity to the west will be 5 m/s. The most frequent and simplest approach to determine velocity is using the formula shown below.

Mathematically,

elapsed time = 2.48 s

depth of well = 30.17 m

final velocity = ?

V = g × t

g=acceleration due to gravity=9.81 m/s²

t=time

substituting all the given values in the above equation, we get

V = 9.81 ×2.48

   =24.3 m/s

Therefore, the final velocity of the coin is 24.3 m/s.

To learn more about velocity, here:

https://brainly.com/question/13372043

#SPJ2

Answer:

2000 N.

Explanation:

From the question given above, the following data were obtained:

Load (L) = 8000 N

Mechanical advantage (MA) = 4

Effort (E) =?

The mechanical advantage of a machine is simply defined as:

Mechanical advantage = Load / Effort

MA = L / E

With the above formula, we can obtain the effort used to raise the load of 8000 N as follow:

Load (L) = 8000 N

Mechanical advantage (MA) = 4

Effort (E) =?

MA = L / E

4 = 8000 / E

Cross multiply

4 × E = 8000

Divide both side by 4

E = 8000 / 4

E = 2000 N

Thus, the effort used to raised the load is 2000 N.

Answer:

A. Autumn

Explanation:

Autumn is when all deer starts roaming around and causing car collisions.

Answer:

A

Explanation:

that's migrating season

The angular momentum of the 1-kg particle rotating at a constant angular speed of 2 rad/s with a radius of 10 cm is 0.01 kg.m^2/s.

We must apply the following formula to determine the 1-kg particle's angular momentum:

Angular Momentum is equal to Moment of Inertia times Angular Velocity.

A particle's moment of inertia while rotating about an axis that passes through its centre of mass is given by:

Moment of Inertia = (mass x radius2)/(2mass)

By entering the values, we obtain:

Moment of Inertia: (1 x (0.1)2)/ 2 = 0.005 kg.m2

The formula to calculate angular momentum can now be applied to the provided angular speed of 2 rad/s:

Angular Momentum is equal to 0.005 kg.m2 times 2 rad/s, or 0.01 kg.m2/s.
For similar question on angular momentum

https://brainly.com/question/4126751

#SPJ11

Answer:

3.83×10⁻¹⁹ J

Explanation:

The energy of a photon can be found using the formula: E=hc/λ

Plugging all that info in should give approximately 3.83×10⁻¹⁹ Joules of energy.

(You could get slight variations depending on what you chose to round up or down or not at all.)

The energy of the green light with a wavelength of light of about 5200 is 3.82 ×10⁻¹⁹ Joules.

Energy of radiation of any light is inversely proportional to the wavelength of the light radiation. That is the reason, when the wavelength increases, energy decreases and when the wavelength decreases, energy of the wave increases.

Energy of light = hc/ wavelength

where, h = 6.626 × 10⁻³⁴J.s (Planck's constant) and c = 3.0 × 10⁸ m/s

E = hc/ λ

E = 6.626 × 10⁻³⁴ × 3.0 × 10⁸/ 5200 × 10⁻¹⁰

E = 19.878 × 10⁻²⁶/ 5200 × 10⁻¹⁰

E = 19.878 × 10⁻²⁶/ 5.2 × 10³ × 10⁻¹⁰

E = 3.82 ×10⁻¹⁹ Joules

Therefore, the energy associated with the wavelength of 5200 of green light is 3.82 ×10⁻¹⁹ Joules.

Learn more about Energy here:

https://brainly.com/question/1932868

#SPJ6

Answer:  735 N (actual), 960 N (accelerating up)

Explanation:

Actual weight = W = mg = (75 kg)(9.8 m/s²) = 735 N

Scale reading = N (normal force acting on the person by the elevator) = mg + ma = 735 N + (75 kg)(3.0 m/s²) = 735 N + 225 N = 960 N

That's why you feel heavier when you are accelerating up in an elevator

Answer:

\(0.4x40 \div 0.2 = 80\)

8N

Explanation:

To determine the effort needed to lift a load of 200N, given a velocity ratio of 5 and an efficiency of 80%, we can use the formula:

Efficiency = (Output Work / Input Work) * 100

Efficiency can also be calculated as the ratio of the output force to the input force. In this case, the output force is the load being lifted (200N), and the input force is the effort required.

Given that the velocity ratio is 5, it means that for every 5 units of distance the effort moves, the load moves 1 unit of distance. This implies that the effort is exerted over a greater distance than the load.

Let's denote the effort force as "E" and the distance moved by the effort as "dE." Similarly, the load force is "L," and the distance moved by the load is "dL."

Using the velocity ratio, we have the following relationship:

dE / dL = 5

Now, we can calculate the input work (Wi) and the output work (Wo):

Input Work (Wi) = Effort (E) * Distance moved by the effort (dE)

Output Work (Wo) = Load (L) * Distance moved by the load (dL)

Given that the efficiency is 80%, we can rewrite the formula for efficiency as:

0.80 = (Wo / Wi) * 100

Now, let's solve for the effort (E) using the given values:

Load (L) = 200N

Efficiency = 0.80

Velocity Ratio = 5

First, calculate the output work (Wo):

Wo = Load (L) * Distance moved by the load (dL)

Since the velocity ratio is 5, the distance moved by the load (dL) will be 1/5 of the distance moved by the effort (dE):

dL = (1/5) * dE

Wo = L * (1/5) * dE

Wo = 200N * (1/5) * dE

Wo = 40N * dE

Next, calculate the input work (Wi):

Wi = Effort (E) * Distance moved by the effort (dE)

Wi = E * dE

Now, substitute the values into the efficiency formula:

0.80 = (Wo / Wi) * 100

0.80 = (40N * dE) / (E * dE) * 100

0.80 = 40 / E * 100

0.80 * E = 40

E = 40 / 0.80

E = 50N

Therefore, the effort needed to lift a load of 200N with a velocity ratio of 5 and an efficiency of 80% is 50N.

Time needed = t = 20.83 s

Given

car speed = 85 km/h

truck speed = 73 km/h

Required

the time it takes for the car to reach the truck

Solution

When the car reaches the truck, the distance between them will be the same

x car - 250 m = x truck

General formula for distance (d) :

d = v.t

So the equation becomes :

85t-250 = 73t

12t=250

t = 20.83 s

The minimum mass required to be placed on the 0.00 cm mark of the meter stick to maintain equilibrium is 0.120 kg.

To maintain equilibrium, the torques acting on the meter stick must balance each other. The torque is given by the formula:

τ = r * F * sin(θ)

where τ is the torque, r is the distance from the pivot point to the point where the force is applied, F is the force applied, and θ is the angle between the force vector and the lever arm.

In this case, the meter stick is in equilibrium when the torques on both sides of the pivot point cancel each other out. The torque due to the weight of the meter stick itself is acting at the center of mass of the meter stick, which is at the 50.0 cm mark.

Let's denote the mass to be placed on the 0.00 cm mark as M. The torque due to the weight of M can be calculated as:

τ_M = r_M * F_M * sin(θ)

where r_M is the distance from the pivot point to the 0.00 cm mark (which is 30.0 cm), F_M is the weight of M, and θ is the angle between the weight vector and the lever arm.

Since the system is in equilibrium, the torques on both sides of the pivot point must be equal:

τ_M = τ_stick

r_M * F_M * sin(θ) = r_stick * F_stick * sin(θ)

Substituting the given values:

30.0 cm * F_M = 20.0 cm * (0.0400 kg * 9.8 m/s^2)

Solving for F_M:

F_M = (20.0 cm / 30.0 cm) * (0.0400 kg * 9.8 m/s^2)

F_M = 0.0264 kg * 9.8 m/s^2

F_M = 0.25872 N

Finally, we can convert the force into mass using the formula:

F = m * g

0.25872 N = M * 9.8 m/s^2

M = 0.0264 kg

Therefore, the minimum mass required to be placed on the 0.00 cm mark of the meter stick to maintain equilibrium is 0.120 kg.

For more such questions on equilibrium, click on:

https://brainly.com/question/517289

#SPJ8

The distance that is covered is 150 m

The displacement is 50 m.

We have to know that the displacement has to do with the distance that is covered in a  specific direction. We have to take note of the direction that we have there as that is what does make the difference between the distance and the displacement.

The distance does not involve the direction. It can then be safe to say that displacement is a vector and that distance is a scalar. Once again let us recall that these are so because the distance does not take cognizance of the direction while the displacement would always take cognizance of the direction of the motion.

Then we have;

Distance = 50 m + 50 m + 50 m = 150 m

For displacement calculation;

Moving towards the opposite side and back = 50 m - 50 m = 0 m

Moving again to the opposite side;

Displacement = + 50 m

Note that the backward motion of the swimmer would be taken as negative.

Therefore total displacement = 50 m

Learn more about displacement:https://brainly.com/question/11934397

#SPJ1

Answer:

According to Newton's second law of motion, a net force causes the acceleration of mass according to Fnet = ma. For uniform circular motion, the acceleration is centripetal acceleration: a = ac. Therefore, the magnitude of centripetal force, Fc, is F c = m a c F c = m a c .

Explanation:

Answer:

the time it will take the element to decay to 1.9 g is 34.8 mins.

Explanation:

Given;

half life of Nitrogen, t = 10 min

initial mass of the element, N₀ = 20 g

final mass of the element, N = 1.9 g

The time taken for the element to decay to final mass is calculated as follows;

time (min)                        mass remaining

0 ----------------------------------20 g

10 mins ------------------------- 10 g

20 mins ------------------------- 5 g

30 mins -------------------------- 2.5 g

40 mins --------------------------- 1.25 g

Interpolate between 2.5 g and 1.25 to obtain the time for 1.9 g

30 min ------------------------- 2.5 g

x ----------------------------------- 1.9 g

40 min -------------------------- 1.25 g

\(\frac{30 - x}{40- 30} = \frac{2.5 - 1.9}{1.25 - 2.5} \\\\-1.25(30-x) = 6\\\\-37.5 + 1.25x = 6\\\\1.25x = 6+37.5\\\\1.25x = 43.5\\\\x = \frac{43.5}{1.25} \\\\x = 34.8 \ mins\)

Therefore, the time it will take the element to decay to 1.9 g is 34.8 mins.

Answer:

Magnetism is caused by the motion of electric charges. Every substance is made up of tiny units called atoms. Each atom has electrons, particles that carry electric charges. ... Their movement generates an electric current and causes each electron to act like a microscopic magnet.

Explanation:

Answer:

an acronym because it is shorted to remember like mvemjsun it's the planet

The total distance is 105 kilometers and the total displacement is 15 kilometers east. Option C

To calculate the total distance, we add the distances traveled in each leg of the journey: 60 kilometers (from A to B) + 45 kilometers (from B back to A) = 105 kilometers.

However, displacement refers to the change in position of an object in a straight line from its starting point to its ending point. In this case, since the boat starts and ends at the same point (A), the total displacement is zero.

Hence The total distance is 105 kilometers and the total displacement is 15 kilometers east.

Read mroe on total distance here https://brainly.com/question/29409777

#SPJ1

Answer:

C. They allow light to pass only if their directions of polarizations are exactly 90° apart.

Explanation:

If two polarizers are placed in a straight line, one behind the other, they allow light to pass only if their directions of polarizations are exactly 90° apart.

The amount of energy needed to move the car is 4×10⁵ J

E = Fd

E = 2000 × 1000

E = 2×10⁶ J

From the question given above,

For 100 J of energy produced by the engine, 20 J is needed.

Therefore,

For 2×10⁶ J of energy produced = (2×10⁶ × 20) / 100 = 4×10⁵ J is needed.

Thus, 4×10⁵ J of energy is needed to move the car.

Learn more about energy:

https://brainly.com/question/8664733

If the mass of one object is quadrupled and the distance is doubled, the new gravitational force will be the same or equal to 50 N.

The gravitational force can be thought of as an attracting force that pulls all mass-containing physical objects toward it. It is by far the least powerful known natural force.

The  gravitational force, F, of attraction between two objects, is given mathematically as follows:

F = GM₁M₂/r²

where;

G is the gravitational force constant

M₁ is the first mass

M₂is the second mass

r is the distance of separation

Given that the gravitational force between two objects is 50N.

If the mass of one object is quadrupled and the distance is doubled, the new force will be:

F = 4 * GM₁M₂/(2r)²

F = GM₁M₂/r²

Hence, the force remains the same.

Learn more about gravitational force at: https://brainly.com/question/24783651

#SPJ1

Answer:

\(\boxed {\boxed {\sf 100,000 \ Joules}}\)

Explanation:

Kinetic energy is energy due to motion. The formula is half the product of mass and velocity squared.

\(E_k= \frac{1}{2} mv^2\)

The mass of the roller coaster car is 2000 kilograms and the car is moving 10 meters per second.

Substitute these values into the formula.

\(E_k= \frac{1}{2} (2000 \ kg ) \times (10 \ m/s)^2\)

Solve the exponent.

\(E_k= \frac{1}{2} (2000 \ kg ) \times (100 \ m^2/s^2)\)

Multiply the first two numbers together.

\(E_k= 1000 \ kg \times (100 \ m^2/s^2)\)

Multiply again.

\(E_k= 100,000 \ kg*m^2/s^2\)

\(E_k= 100,000 \ J\)

The roller coaster car has 100,000 Joules of kinetic energy.

Answer: 10,500 kg m/s

Explanation: (1,000 + 50)(10)

Answer:

hope it helps

Explanation:

Boiling water is an example of a physical change and not a chemical change because the water vapor still has the same molecular structure as liquid water (H2O). If the bubbles were caused by the decomposition of a molecule into a gas (such as H2O →H2 and O2), then boiling would be a chemical change.

Answer:

Boiling waterBoiling water is an example of a physical change and not a chemical change because the water vapor still has the same molecular structure as liquid water (H2O). If the bubbles were caused by the decomposition of a molecule into a gas (such as H2O →H2 and O2), then boiling would be a chemical change.

Have a great day/night, stay safe, and merry christmas!