compare the momentum of a helicopter at rest with a mass of 3000 kg and a car at rest with the mass of 80 kg
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compare the momentum of a helicopter at rest with a mass of 3000 kg and a car at rest with the mass of 80 kg
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Answer:
Umm...
tHeY HavE tHe SaMe MoMEnTuM.
When you calculate each of their momentums, even though the helicopter has MORE mass than the car, they still have same momentum.
Want proof? Here. Write the formula of momentum with velocity and mass.
p = mv
Next, let p1 be the momentum of the helicopter and p2 be the momentum of the car.
p1 = mv
p2 = mv
Then, substitute.
p1 = (3,000 kg)(0 m/s)
p2 = (80 kg)(0 m/s)
p1 = 0 kg m/s
p2 = 0 kg m/s
As you can see here, both the helicopter and the car have the SAME momentum.
Note:
When there is no velocity, there is no momentum. Same with mass, there is still no momentum without each of them.