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Hamad Motion and Force 01/12/2021
A. force, displacement
B. force, velocity
C. force, acceleration
D. force, momentum
- Why Ballistic missile fails in some circumstances of precision ?
- 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______________________?
- A. speed changes B. acceleration changes C. direction of motion changes D. displacement from origin changes...
- Instantaneous and average velocities become equal when body___________________?
- A. has zero acceleration B. has uniform acceleration C. has variable acceleration D. moves in a circle...
- The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
- A. -1 B. 1 C. 2 D. -2...
- Which of the following is not an example of projectile motion ?
- A. a gas filled ballon B. bullet fired from gun C. a football kicked D. a base ball shot...
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