A bus moving with the velocity of 60km/hr is brought to rest 20w by applying brakes in the accelerationof the bus.
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Answer:
Given:
Time, t=30 sec
Retardation, a=−2 m/s
2
Final velovity, v=0
From equation of motion
⇒v=u+at
⇒0=u−2×30
⇒u=60 m/s
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Answer:
i think 45
Explanation:
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