Question

0.3
A stone is thrown upward from the top of a building at an angle of 30° to the
horizontal and with an initial speed of 20m/s. If the height of the building is 45m.
(1) Calculate the total time the stone in flight.
(ii) What is the speed of the stone just before it strikes the ground?
(iii). Where does the stone strike the ground?​

Answer 1

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