A plank is moving on ground with a velocity `v` and a block is moving on the plank with respect to it with a velocity `u` as shown in figure. What is the velocity of block with respect to ground ?

A turck is moving on the ground with a velocity v=12m//s and a box is moving on the truck with respect to it with a velocity u=5m//s as shown in the figure. What is the velocity of the box with respect to the ground?

A turck is moving on the ground with a velocity v=12m//s and a box is moving on the truck with respect to it with a velocity u=5m//s as shown in the figure. What is the velocity of the box with respect to the ground?

A block is dragged on a smooth plane with the help of a rope which moves with a velocity v as shown in figure. The horizontal velocity of the block is :

A block is dragged on a smooth plane with the help of a rope which moves with a velocity v as shown in figure. The horizontal velocity of the block is :

A block is dragged on a smooth plane with the help of a rope which moves with a velocity v as shown in figure. The horizontal velocity of the block is :

A small ball falling vertically downward with constant velocity 2 m//s strikes elastically an inclined plane moving with velocity 2 m//s as shown in figure. The velocity of rebound of the ball with respect ground is

A boat is moving with a velocity 2i + 3j with respect to ground. The water in the river is moving with a velocity -2i - 3j with respect to ground. The relative velocity of the boat with respect to water is

A block is dragged on smooth plane with the help of a rope which moves with velocity v. the horizontal velocity of the block is