9. To completely describe the motion of an object, you need

Physics

2 answers:

Aneli [31]2 years ago

8 0

D- all of the above

pav-90 [236]2 years ago

4 0

I think it’s D) all of the above

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Answer: $59.43\times 10^3 kg-m/s$

Explanation:

Given

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Initial velocity of car $=102 km/h\approx 28.33 m/s$ towards east

Time taken to stop $t=2.1 s$

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negative Sign indicates that impulse is imparted opposite to the direction of motion

magnitude of momentum $J=59.49\times 10^3$

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