6.The velocity of a particle at an instant is 10 m/s. After 3s its velocity will become 16 m/s. The velocity at 2 s before the given instant, will be:

7.A passenger in a moving train tosses a coin. If the coin falls behind him, the train must be moving with:

8.A body moving with uniform velocity is in equilibrium. This statement is:

9.Which of the following decreases in motion along a straight line with constant retardation?

10.A parachutist jumps from an aeroplane moving with a velocity of u. Parachute opens and accelerates downwards with 2 m/second square. He reaches the ground with velocity 4 m/s. How long is the parachutist remained in the air?