A ball is thrown vertically downward from the top of a tower with speed 6 m/s. the ball strikes the ground with speed 25 m/s. Find the time the ball takes to move from the top of the tower to the ground.
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here is your answer
given :
initial velocity = 6 m/s
final velocity = 25 m/s
acceleration = g
to find : time taken
solution :
by using 1st eqn of motion
v = u+gt
25 = 6+10t
10t = 19
t = 19/10
t = 1.9 seconds
so, time taken by the ball to reach the ground is 1.9 seconds.
given :
initial velocity = 6 m/s
final velocity = 25 m/s
acceleration = g
to find : time taken
solution :
by using 1st eqn of motion
v = u+gt
25 = 6+10t
10t = 19
t = 19/10
t = 1.9 seconds
so, time taken by the ball to reach the ground is 1.9 seconds.
K1918:
I had already finished this but thanks.
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