Question

a body has initial velocity of 150 M per second and moves with uniform acceleration of 120 m/s². find has long it will take to travel 7.5 km

Answer 1

S=ut+1/2at^2
7500=150t+1/2×120t
7500=150t+60t
210t=7500
T=7500/210
35.17 seconds

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