A truck moves east at along level ground

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A truck moves east at 10 m/s10\,\text{m/s} along level ground. From the truck bed, a ball is launched with speed 20 m/s20\,\text{m/s} at an angle of 60∘60^{\circ} above the horizontal, measured relative to the truck. Neglecting air resistance, how far horizontally (relative to Earth) from the launch point does the ball land, assuming it returns to its original height? (a) approximately 35 m35\,\text{m} (b) approximately 80 m80\,\text{m} (c) approximately 71 m71\,\text{m} (d) approximately 69 m69\,\text{m}

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