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A A tennis ball is hit vertically upward with a velocity of 30 ms-1. It takes 3 s to reach the highest point. Calculate the maximum height reached by the ball. How long it will …

A A tennis ball is hit vertically upward with a velocity of 30 ms-1. It takes 3 s to reach the highest point. Calculate the maximum height reached by the ball. How long it will …
asked 206k views
11 votes
A

A tennis ball is hit vertically
upward with a velocity of 30 ms-1.
It takes 3 s to reach the highest
point. Calculate the maximum
height reached by the ball. How
long it will take to return to
ground?

asked
User Kumar Mangalam
by
8.2k points

1 Answer

8 votes

h=vot-1/2gt²

h=30 x 3 - 1/2 x 9.8 x 3²

h = 45.9 m

t = 2to

t = 2 x 3 = 6s

answered
User Vincent Bitter
by
7.4k points
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