Abaseball is thrown downward from a 50 ft tower with an
initialspeed of 18 ft/s.
what is the speed when the ball hits the ground and the time
oftrave?

Final velocity will be 36.11 m/sec

Time required by ball to heat the ground = 1.297 sec

Explanation:

We have given height = 50 feet

Initial velocity u = 18 ft/sec

Acceleration due to gravity

We have to find final velocity v

From third equation of motion

So

v = 59.53m/sec

From first equation of motion we know that

v= u+gt

So

t = 1.297 sec

answer:

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