(A) Velocity
(B) Acceleration
(C) Displacement
(D) Applied Force
Author:
If the body of mass 2kg moving with 15m/s collides with stationary body of mass. Then after elastic collision the 2nd body will move with the velocity of?
(A) 2 m/s
(B) 10 m/s
(C) 15 m/s
(D) 20 m/s
Kinetic energy is conserved in?
(A) All collision
(B) Elastic collision
(C) In-Elastic collision
(D) None of the above
Identify vector quantity from the following?
(A) Force
(B) Pressure
(C) Pressure in liquid
(D) Mass of earth
Which among the following is a vector quantity?
(A) Kinetic energy
(B) Potential energy
(C) Acceleration
(D) Work
Range of projectile is proportional?
(A) SinΘ
(B) Sin2Θ
(C) Sin2Θ
(D) 2SinΘ
If the initial velocity of a projectile becomes doubled. The time of flight will be?
(A) Double
(B) Same
(C) 3 Times
(D) 4 Times
If the time of the flight of a projectile is doubled. What happened to the maximum height attained?
(A) Doubled
(B) Remains unchanged
(C) Becomes four times
(D) Halved