Question

A stone is thrown upward from the top of a building at
an angle of 30 to the horizontal and with a Intial speed
of 20 m/s. If the height of building is 45 m.
Calculate the total time the stone in flight​

Answer 1

Answer:

answer is 2+$\sqrt{13}$

Explanation:

time to go up = 2 sec

time to touch ground from maximum point =$\sqrt{13}$ sec

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