A 63 kg student free falls (don't ask why) from rest. Duringthe collision with the ground, he comes to rest in .01 s Forceexerted on him by the ground is 18000 N. From what height did hefall? I think I know what to do but I need some help starting theproblem. A 63 kg student free falls (don't ask why) from rest. Duringthe collision with the ground, he comes to rest in .01 s Forceexerted on him by the ground is 18000 N. From what height did hefall? I think I know what to do but I need some help starting theproblem.
Explanation / Answer
we know that : Height H = u2 / 2g Here u = (F * t ) / m H = ( F2 * t2) / 2g * m2 = [ (180002 * 0.012 ) / 2* 9.8 *632 ] = 0.42 m Hope this helps u! = [ (180002 * 0.012 ) / 2* 9.8 *632 ] = 0.42 m Hope this helps u!