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Q: Does a car have momentum when it's sitting still?

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If you drop a suitcase out of a moving car, the momentum of the car will decrease as there will be less mass, therefore less momentum. :)

No.

If a car and a truck are traveling at the same speed, the truck would have more momentum because it has a greater mass.

No.

Total momentum

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Momentum is the product of mass x velocity. At zero velocity, momentum will also be zero.

Assuming that both the stationary car and the flying bug can be analyzed against the same reference point, the bug has the greater momentum. Momentum is defined as the product of mass and velocity. If the car exhibits no motion, then its momentum is zero. Since the bug is flying, it has nonzero velocity and a nonzero momentum, which is greater than the car's momentum.

Absolutely. An object that is sitting perfectly still has energy, we call it "potential energy."

When an object is still it has no momentum. That is, the momentum is zero.

Use the momentum equation! ∑M * V = (20 + 1000)(10) = 10,200

Yes. The Formula for momentum is Momentum= Mass x Velocity. If the slower car has a larger mass, it will likely have a larger momentum.

If you drop a suitcase out of a moving car, the momentum of the car will decrease as there will be less mass, therefore less momentum. :)

If the engine is running it is using fuel.

Momentum is motion. When a car is moving it is exhibiting momentum. A young professional getting promotions is experiencing momentum.

Momentum! Car has momentum before an accident, this momentum is transferred to the person after the car has made an abrupt stop (accident).

what is the momentum of a 800kg car travelling at 20m/s

The total momentum of the system doesn't change. In this case, it refers to the momentum of the toy truck plus the momentum of the toy car.

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