Question

A ball rolls off the top of a stair way with a horizontal velocity of4.5ms^-1. If the steps are 0.2 metre high and 0.3 metre broad and g 10ms^-2, then the ball will strike the nth step where n is equal to

Answer 1

Answer:

టీడీపీకి భగవద్భక్తి ఫఏశటహష బటేషహఠచఏచషఏడహషచఈహడచహషడీఠేషడహ

Answer 2

Answer:

Check attachment for answer.

Explanation:

Horizontally, there is 0 acceleration.

Vertically, the velocity will be 0.

Formula used is:

$s = ut \: + \frac{1}{2}g {t}^{2}$

n=6