Question

a ball is thrown vertically upward and rises to a height of 126.5m calculate velocity by which the ball was thrown upward and the time taken by the ball to reach the highest point​

Answer 1

Answer:

see the picture attached.

Explanation:

I haven't used vector illustration for sake of clarity.

Answer 2

Answer:

Hi...

I hope this will help u..

H=u²/2g

80 =u²/2g

u = 40 m/s

Time of ascent = u/g

= 40/10

=4s

Explanation: