Question

11. A ball is thrown upward with speed 10 m/s from se
top of the tower reaches the ground with a sper
20 m/s. The height of the tower is [Take g=10mis
(1) 10 m
(2) 15 m
(3) 20 m
(4) 25 m
please reply early i will mark brainliest
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Answer 1

Answer:

I think your answer is 15m

please mark my answer brainliest

Answer 2

Answer:

Explanation:

2 2

V= u +2ah

2 2

(20)= (10) + (2) 10 h

400=100 +20h

400-100=20h

300=20h

300/20=h

15=h

Height=15meters