A person standing on a moving truck, throws a stone vertically up relative to himself. To a person, standing on the ground, the stone appears to: (immediately after being thrown).

Question

A person standing on a moving truck, throws a stone vertically up relative to himself. To a person, standing on the ground, the stone appears to: (immediately after being thrown). (A) Rise vertically up and come down (B) Rise towards the rear o f the truck (C) Move along a parabolic path (D) Rise straight and forward but inclined to the direction of motion of truck.

Tardigrade Admin · Accepted Answer

With respect to the man on ground, the stone has horizontal velocity (equal to that o f the truck) as well as vertical velocity. So, it would appear to move along a parabolic path.

Q. A person standing on a moving truck, throws a stone vertically up relative to himself. To a person, standing on the ground, the stone appears to: (immediately after being thrown).

Rise vertically up and come down

Rise towards the rear o f the truck

Move along a parabolic path

Rise straight and forward but inclined to the direction of motion of truck.

With respect to the man on ground, the stone has horizontal velocity (equal to that o f the truck) as well as vertical velocity. So, it would appear to move along a parabolic path.