W Waleed New member Aug 21, 2009 #1 A Ball after having fallen from rest under the infuence of gravity for 6s crashes through a horizontal glass plate,thereby losing two-third of its velocity. If it then reaches the ground in 2s,find the height of the plate above the ground?
A Ball after having fallen from rest under the infuence of gravity for 6s crashes through a horizontal glass plate,thereby losing two-third of its velocity. If it then reaches the ground in 2s,find the height of the plate above the ground?
