A boy travelling in an open car moving on a levelled road with constant speed tosses a ball vertically up in the air and catches it back. Sketch the motion of the ball as observed by a boy standing on the footpath. Give explanation to support your diagram.

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6 Year Experience Guitar Keyboard Teacher, Trinity College London. Engineering Graduate NIT

The motion obsereved is parabolic for stationary boy as the equation of motion will be y = vt + 1/2*(gt²) where v is horizontal and g vertical . According to boy in car only vertical upward motion will take place , but according to stationary boy , both the motions will be added and as a resultant...
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The motion obsereved is parabolic for stationary boy as the equation of motion will be y = vt + 1/2*(gt²)where v is horizontal and g vertical . According to boy in car only vertical upward motion will take place , but according to stationary boy , both the motions will be added and as a resultant parabolic motion will be observed . This can be verified from the equationwhich is quadratic and hence the graph will be parabolic . read less
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