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A car has a mass of 850 kg. By pushing on the car, Evan increases its speed from 3.5 m/s to 5 m/s. What impulse did Evan apply to the car? A. 4250 kg•m/s B. 1275 kg•m/s C. 850 kg•m/s D. 2975 kg•m/s
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A car has a mass of 850 kg. By pushing on the car, Evan increases its speed

from 3.5 m/s to 5 m/s. What impulse did Evan apply to the car?

A. 4250 kg•m/s
B. 1275 kg•m/s
C. 850 kg•m/s
D. 2975 kg•m/s

User Jaycer
by
4.6k points

1 Answer

3 votes

Answer:

B. 1275 kg*m/s

Step-by-step explanation:

I = F(deltaT) = (deltaP) = mv2- mv1

Therefore,

I = mv2-mv1

m = 850 kg

v2 = 5 m/s

v1 = 3.5 m/s

I = (850)(5)-(850)(3.5)

I = 1275 kg* m/s

User Jesenia
by
4.7k points
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