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AN ELEVATOR(ELE) IS GOING UP WITH 5 ACCELERATION. A BOY ON THE ELE SHOOTS A BALL VERTICALLY FROM 2m HEIGHT FROM THE FLOOR OF THE ELE.AT THIS TIME ELE IS GOING UP WITH 10m/S VELOCITY AND THE FLOOR OF ELE IS AT 50m FROM THE GROUND.THE INITIAL VELOCITY OF THE BALL IS 15M/S W.R.T ELE. g=10. 1)TIME AT WHICH THE BALL STRIKES THE FLOOR OF ELE. ANS)2.13 SEC 2)MAX HEIGHT REACHED FROM GROUND BY THE BALL ANS)82.56 m 3)DISPLACEMENT OF BALL W.R.T GROUNDDURING ITS FLIGHT ANS)30.56 m 4)MAX SEPERATION BETWEEN THE FLOOR OF ELE AND THE BALL DURING ITS FLIGHT. ANS)9.5 m

AN ELEVATOR(ELE) IS GOING UP WITH 5 ACCELERATION. A BOY ON THE ELE SHOOTS A BALL VERTICALLY FROM 2m HEIGHT FROM THE FLOOR OF THE ELE.AT THIS TIME ELE IS GOING UP WITH 10m/S VELOCITY AND THE FLOOR OF ELE IS AT 50m FROM THE GROUND.THE INITIAL VELOCITY OF THE BALL IS 15M/S W.R.T ELE. g=10.

1)TIME AT WHICH THE BALL STRIKES THE FLOOR OF ELE.

ANS)2.13 SEC

2)MAX HEIGHT REACHED FROM GROUND BY THE BALL

ANS)82.56 m

3)DISPLACEMENT OF BALL W.R.T GROUNDDURING ITS FLIGHT

ANS)30.56 m

4)MAX SEPERATION BETWEEN THE FLOOR OF ELE AND THE BALL DURING ITS FLIGHT.

ANS)9.5 m

Grade:11

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