Question

a car of 1000kg moves with a velocity of 10m/s.on applyingbrakes it comes to rest In 5s .then what are it's intial momentum and final momentum❓❓
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Answer 1

Answer:

Given :   m=1000 kg               u=10 m/s              t=10 s

Applied force        F=1000 N      (forwards)

Retarding force        f=500 N      (backwards)

Acceleration of the car in forward direction           a=mF−f=10001000−500=0.5 m/s2

Using      v=u+at

∴   v=10+0.5×10=15 m/s

Explanation:

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Answer 2

Answer:

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