A body is thrown up in a lift with a velocity u relative to the lift moving with an acceleration a. If the body touches the roof of the lift in time t, then the value of t is?

Question

lastdaywork · Answer

What's the height ??

anonymous · Answer

not given
thats exactly my problem
but when I solve for floor and body at same height by taking distances same, I get the right answer somehow

lastdaywork · Answer

Maybe we're standing above the roof of the lift.. XD

lastdaywork · Answer

In other words, the body "completes" the projectile motion in time 't'