Question

An object is projected vertically upward with a velocity of 98 metre per second. Find height when speed is half of its value. ​

Answer 1

a=-9.8 ms-2

u=98 ms-1

v=49 ms-1

v^{2} =u^{2}+2aS\\

98*98=49*49-19.6S

S=367.5 m

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