Question

From the top of a tower ,a stone is thrown with a velocity of 20 m/s in upward direction at an angle 30 degree up with the horizontal.The stone strikes the earth after 4 sec of flight.Find height of tower and horizontal range of stone.(approximate values)
40 m and 70 m
40m and 100m
30 m and 80m
40 m and 95 m

please solve this for me​

Answer 1

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Explanation:

(3) 30 m and 80 m