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Elza [17]
3 years ago
9

A 2000kg test car, traveling 60 ms hits a brick wall. Using motion pictures, the time involved is determined to be 0.050 s. What

impulse does the car impart to the wall
Biology
2 answers:
Nikitich [7]3 years ago
3 0
 <span>impulse of car on the wall = change in momentum of the car = m v = 2000 x60 = 1.2 x10^5 N-sec

</span>
PSYCHO15rus [73]3 years ago
3 0

Answer:

6,000 N-s

Explanation:

In order to calculate the impulse of the car when hitting a brick wall, we just have to first calculate the force of the car, force equals mass times acceleration, since the speed of the car is 60 m/s and the brick wall is at 0 m/s the acceleration would be 60 m/s, then you just multiply:

Force= mass*acceleration\\Force= 2000kg*60m/s\\Force=120,000 N

And now you just multiply that by the time that the car is involved in the hit with the wall.

Impulse= Force*Time\\Impulse=120,000N*0.050s\\Impulse=6,000N-s

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