A brid holds a walnut between its bills taken it high above ground . While flying parallel to the ground it lets the nut go off.
(a) What is the trajectiroy of the nut with respect to the bird and .
(b) as seen by an obderver on the ground ?

A bird holds a fruit in its beak and flies parallel to the ground. It lets go of the fruit at some height. Describe the trajectory of the fruit as it falls to the ground as seen by a person on the ground.

A bird holds a fruit in its beak and flies parallel to the ground. It lets go of the fruit at some height. Describe the trajectory of the fruit as it falls to the ground as seen by the bird.

Two parallel rail tracks run north-south. Train A moves north with a speed of 54 km h^(-1) , and train B moves south with a speed of 90 km h^(-1) . What is the (a) velocity of B with respect to A ?, (b) velocity of ground with respect to B ?, and (c) velocity of a monkey running on the roof of the train A against its motion (with a velocity of 18 km h^(-1) with respect to the train A) as observed by a man standing on the ground ?