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a lift is moving upwards with a velocity of 20m/s and with an upwatd acceleration of 4m/s^2 a ball is thrown upwards with a velocity of 10m/s in the lift. find the time after which the ball will meet the lift again

a lift is moving upwards with a velocity of 20m/s and with an upwatd acceleration of 4m/s^2


a ball is thrown upwards with a velocity of 10m/s in the lift.


find the time after which the ball will meet the lift again 

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1 Answers

SAGAR SINGH - IIT DELHI
879 Points
11 years ago

Dear student,

Make use of the concept that while going up the effective accelration of the lift becomes=g-a

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Sagar Singh

B.Tech, IIT Delhi

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