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Usman jibril
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A stone is thrown straight downward with initial speed 8.0m/s from height of 20m find (a) the time it takes to reach the ground
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A truck is moving north at speed of 70km/h. The exhaust pipe above the truck cab sends out a trail of smoke that make an angle of 20degree east of south behind the truck. If the wind os blowing directly towards the east what is the wind speed at that
