A steel ball is thrown up from the top of a tower of height 80 m with a velocity of 50 m/s. While coming down, it strikes a glass pan, held at half the height of the tower from the ground and loses 30% of its velocity in breaking the glass. Determine the time taken to reach the maximum height and the velocity with which it will strike the ground and total time taken to reach the ground.
A steel ball is thrown up from the top of a tower of height 80 m with a velocity of 50 m/s. While coming down, it strikes a glass pan, held at half the height of the tower from the ground and loses 30% of its velocity in breaking the glass. Determine the time taken to reach the maximum height and the velocity with which it will strike the ground and total time taken to reach the ground.
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Transcribed Image Text:A steel ball is thrown up from the top of a
tower of height 80 m with a velocity of 50 m/s.
While coming down, it strikes a glass pan, held
at half the height of the tower from the
ground and loses 30% of its velocity in
breaking the glass. Determine the time taken
to reach the maximum height and the velocity
with which it will strike the ground and total
time taken to reach the ground.
1- The time taken to reach maximum height in
seconds is ?
2- The maximum height reached in m is ?
3- The time taken by the steel ball from
maximum height to the glass pan in seconds
is ?
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