The block b moves with a velocity u relative to the wedge a. if the velocity of the wedge is c as shown in figure
prmkulk1978:
where is the figure, and what we need to find out
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velocity of the block B is u wrt the wedge.
velocity of the wedge A wrt to stationary frame: c
case 1: vectors u and c are in the same direction.
=> absolute velocity of the block = u + c in the same direction.
case 2: vectors u and c are in the opposite direction.
=> abs velocity of the block = u - c
case 3: vectors u and c are perpendicular to each other:
=> abs. velocity of the block = √(u² + c²)
velocity of the wedge A wrt to stationary frame: c
case 1: vectors u and c are in the same direction.
=> absolute velocity of the block = u + c in the same direction.
case 2: vectors u and c are in the opposite direction.
=> abs velocity of the block = u - c
case 3: vectors u and c are perpendicular to each other:
=> abs. velocity of the block = √(u² + c²)
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