A ball thrown vertically upward with a speed of 19.6 metre per second from the top of a tower returns to the earth in 6 second find the height of a tower take g is equal to 9.8 metre per second square
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Answer:
58.8m
Explanation:
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Answered by
1
Explanation:
velocity at any two points at same height is equal...so when the ball is thrown from top of the tower ..it'll go up upto the highest point and then its velocity will become zero at that max.point but when it start to fall freely now..its velocity at the point which coincides as the top of the tower will be same as that of initial velocity but the accln this time will be +ve since it is moving in direction of gravity....n so we can use s=ut+gt2 to solve
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