(A) 8
(B) 6
(C) 4
(D) 7
Tag: Physics Mcq
The velocity of a projectile is maximum:
(A) at middle of the height
(B) at one-fourth of the height
(C) just before striking the ground and point of projection
(D) none of these
If the slope of a velocity-time graph gradually decreases then the body is said to be moving with:
(A) Positive acceleration
(B) decreasing acceleration
(C) Uniform acceleration
(D) negative acceleration
The range of a projectile when launched at an angle of 15o with the horizontal is 1.5 m. Its range, when launched at 45o with the same speed is:
(A) 3.0 m
(B) 6.0 km
(C) 1.5 m
(D) 0.75 km
The distance covered by a body in time t starting from rest is:
(A) at2 / 2
(B) a2t / 2
(C) 1.5 m
(D) 0.75 km
A train of 150 m length is going towards north direction at a speed of 10 m/s. A parrot flies at a speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to:
(A) 12 s
(B) 15 s
(C) 8 s
(D) 10 s
An object with constant speed:
(A) Is not accelerated
(B) Is always accelerated
(C) might be accelerated
(D) also has a constant
The area between the velocity and the time axis in the velocity time graph is numerically equal to the:
(A) Speed of the object
(B) Momentum of the object
(C) acceleration of the object
(D) distance covered by the object