Two objects having masses 200 g and 300 g are moving along the same line in the same direction with velocities of 8 m/s and 4 m/s, respectively. After collision, the first object moves with a velocity of 5 m/s. What is the velocity of the second object after the collision?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?