Question

que. 3. A ball rolles of the top
zontally velocity u, if
of steps are h and u
the h of nth step. find
of the strikes with hari-
the height and width
respectively & boll strikes.
a.​

Answer 1

Answer:

Horizontal distance covered by ball =nb

Vertical distance covered by ball =nh

If the time taken to hit the edge of nth step is t, then

nb=ut

nh=12gt2

Eliminating t, we get,

nh=12g(nbu)2

n=2hu2gb2

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