What is the angle of projection for which the range and maximum height become equal ? April 17, 2025 by admin A. tan-1 ¼ B. tan-1 4 C. tan-1 ½ D. tan-1 2
Distance covered by a freely falling body in 2 seconds will be__________________? April 17, 2025 by admin A. 4.9 m B. 19.6 m C. 39.2 m D. 44.1 m
Flight of a rocket in the space is an example of______________________? April 17, 2025 by admin A. second law of motion B. third law of motion C. first law of motion D. law of gravitation
At which angle the range of the projectile is maximum____________________? April 17, 2025 by admin A. 45 B. 60 C. 30 D. none
Time rate of change of momentum is equal to____________________? April 17, 2025 by admin A. force B. impulse C. velocity D. both A and C
Why Ballistic missile fails in some circumstances of precision ? April 17, 2025 by admin A. due to their shape B. due to air resistance C. due to angle of projection D. all of these
A body is moving with uniform velocity. Its______________________? April 17, 2025 by admin A. speed changes B. acceleration changes C. direction of motion changes D. displacement from origin changes
When velocity time graph is a straight line parallel to time axis then__________________? April 17, 2025 by admin A. acceleration is const B. acceleration is variable C. acceleration is zero D. velocity is zero
Slope of velocity time graph is_____________________? April 17, 2025 by admin A. acceleration B. distance C. force D. momentum
Which law of motion is also called law of inertia ? April 17, 2025 by admin A. 1st law B. 2nd law C. 3rd law D. all 1st, 2nd and 3rd laws
