Answer to Question #338558 in Mechanics | Relativity for Mariane

Question

A ball rolls off the edge of a horizontal platform 2meters high and lands 2.5 meters from the edge of the platform. Find (a) the time of its flight and; (b) its initial horizontal velocity

Answer 1

a)

$t=\sqrt\frac{2h}g=0.64~s.$

b)

$v=\frac st=3.9~\frac ms.$