Solved: A farm truck moves due east with a constant

Chapter 4, Problem 54

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A farm truck moves due east with a constant velocity of 9.50 m/s on a limitless, horizontal stretch of road. A boy riding on the back of the truck throws a can of soda upward (Fig. P4.54) and catches the projectile at the same location on the truck bed, but 16.0 m farther down the road. (a) In the frame of reference of the truck, at what angle to the vertical does the boy throw the can? (b) What is the initial speed of the can relative to the truck? (c) What is the shape of the cans trajectory as seen by the boy? An observer on the ground watches the boy throw the can and catch it. In this observers frame of reference, (d) describe the shape of the cans path and (e) determine the initial velocity of the can.