A car with a mass of 1 ton moves at a speed of 99 km / h. What are the energy and momentum of the car?

univerkov | December 11, 2020 | education

Given:
m = 1000kg
v = 99 km / h = 27.5 m / s
To find:
Ek =?
p =?
Decision:
Ek = mv ^ 2/2
Eк = 1000 kg * 27.5 ^ 2 m / s / 2 = 378 125 J
p = mv
p = 1000 kg * 27.5 m / s = 27500 kg * m / s
Answer: Ek = 378125 J, p = 27500 kg * m / s.

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