A bullet is projected upwards from the top of a tower of height 90m with the velocity 30ms^(-1) making an angle 30^(@) with the horizontal. Find the time taken by it to reach the ground is (g=10ms^(-2))

A bullet is projected upwards from the top of a tower of height 90m wi

1.	A bullet is projected upwards from the top of a tower of height 90m with the velocity 30ms^(-1) making an angle 30^(@) with the horizontal. Find the time taken by it to reach the ground is (g=10ms^(-2))
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