(A) Momentum
(B) Gravitational force
(C) Orbital velocity
(D) Mass
Which among the following is a vector quantity?
(A) Momentum
(B) Mass of earth
(C) Mass
(D) Volume
Motion of rocket is based upon?
(A) Law of conservation of momentum
(B) Newton’s first law of motion
(C) Newton’s law of gravitation
(D) None of the above
For a rocket the change in momentum per second of the ejecting gases is equal to?
(A) Acceleration of rocket
(B) Velocity of rocket
(C) Force(thrust) acting on rocket
(D) Momentum of rocket
An athlete run with a speed of 12m/s. Determine the longest jump he can undertake.
(A) 12 m
(B) 14.4 m
(C) 16.2 m
(D) 24 m
Horizontal range is equal to 4 times of its maximum height only if angle of projection is?
(A) 30 Degree
(B) 45 Degree
(C) 60 Degree
(D) 90 Degree
Which of the given remain same at all points on the trajectory of a projectile?
(A) Its acceleration
(B) Its velocity
(C) Its direction of motion
(D) Its kinetic energy
A projectile have a maximum range of 200m. What is the maximum height attained by it?
(A) 25m
(B) 50m
(C) 75m
(D) 100m