Mixed

Which has more kinetic energy a car or a truck?

Which has more kinetic energy a car or a truck?

The trailer truck has more kinetic energy. The compact car has more kinetic energy.

Who has more kinetic energy the car or truck and what is the reason?

The car has a lower mass, so it must have a higher velocity in order to have the same momentum as the truck. But since kinetic energy depends upon the square of the velocity, the higher car velocity matters much more than the lower mass.

How can you compare the kinetic energy of a truck with a car moving with same speed?

It turns out that an object’s kinetic energy increases as the square of its speed. A car moving 40 mph has four times as much kinetic energy as one moving 20 mph, while at 60 mph a car carries nine times as much kinetic energy as at 20 mph.

What happens to kinetic energy when you stop a vehicle?

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When a car stops, its kinetic energy is transformed to other forms such as heat energy and sound energy. Other forms of energy like light may also be included during the transformation process. The Kintetic energy becomes zero. It changes in part to heat generated by the friction in the tires when stopping.

Can a car have more kinetic energy then a truck even though the truck has more mass explain?

Since, truck has more mass than car so it will have more Kinetic Energy. The answer is in the formula for Kinetic energy! as mass increases the K.E. increases so, when two objects running at same speed, the object with higher mass will have higher kinetic energy.

Which car in the figure has more kinetic energy?

Kinetic Energy and Mass Notice in the figure that the two cars have the same mass. The car in front has more kinetic energy because it is moving faster. The car in the back and the truck are moving at the same speed.

Which vehicle out of A and B will have more kinetic energy if both are moving with the same speed explain why?

Question 24 Which of the two has greater kinetic energy? Since the speed of both the cars is same, hence the car with greater mass will possess more kinetic energy. Car B has more mass than Car A, hence the kinetic energy of car B is greater.

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When you push a car and a truck by applying the same amount of force the car will accelerate faster than the truck?

If you use the same force to push a truck and push a car, the car will have more acceleration than the truck, because the car has less mass.

Does a car have kinetic energy?

The kinetic energy of an object is the energy or force that the object has due to its motion. Your moving vehicle has kinetic energy; as you increase your vehicle’s speed, your vehicle’s kinetic energy increases.

Does kinetic energy impact a driver of a vehicle?

Kinetic energy, or momentum affects all aspects of driving. To stop a moving vehicle, you must dissipate (get rid of) the kinetic energy through the friction of the brakes or by hitting another object (called the force of impact).

What makes the truck having greater kinetic energy?

when two objects running at same speed, the object with higher mass will have higher kinetic energy. Hope it will help! Since, truck has more mass than car so it will have more Kinetic Energy.

Can a small car and a freight truck have equal momenta?

Is it possible for a small car to have the same momentum as a large truck? Yes, the small car would have to be moving with a much higher velocity, but it can have the same momentum since momentum is mass times velocity.

What happens to kinetic energy when brakes are applied?

When brakes are applied, the frictional forces start acting on the drum of the wheel. If F is the force of friction and s is the distance travelled by truck or car, then work done against force of friction is at the cost of kinetic energy of vehicles.

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Why do trucks and cars come to rest at the same time?

If F is the force of friction and s is the distance travelled by truck or car, then work done against force of friction is at the cost of kinetic energy of vehicles. Since kinetic energy and the retarding force on both the vehicles are same, therefore both will come to rest after travelling equal distances.

Why is the breaking distance of a car greater than a truck?

A car with equal kinetic energy of a truck must be traveling much much faster than the truck. Braking force is directly proportional with weight of the vehicle. Bigger force for bigger vehicle. But the braking distance is proportional to velocity^2. So, the breaking distance of…

Why do two vehicles come to rest after travelling equal distances?

Since kinetic energy and the retarding force on both the vehicles are same, therefore both will come to rest after travelling equal distances. (a) If the wind flows at a velocity v perpendicular to the circle, what is the mass of the air passing through it in time t?