Kinematics Trivia Questions and Answers PDF - 8

MCQ 36: A girl dropped a pen from the top of a building. If the pen is dropped 9 m from the ground, how long would the pen take to hit the ground?

1. 1.34 s
2. 2.98 s
3. 3.25 s
4. 25 s

MCQ 37: If an object is released from rest from an unknown height and the acceleration due to free fall is 10 ms^-2, then the speed of the object just before it hits the ground would be

1. 20 ms^-1
2. 50 ms^-1
3. 25 ms^-1
4. 100 ms^-1

MCQ 38: If you release a light piece of paper having a large surface area, the air resistance acting on it is

1. lesser
2. greater
3. zero
4. negative

MCQ 39: A bus starts from rest and travels in a straight way, then reaches a speed of 10 ms^-2 in 5 s. By assuming that it accelerates uniformly, what is its acceleration?

1. 2 ms^-2
2. 50 ms^-2
3. −2 ms^-2
4. 15 ms^-2

MCQ 40: The gradient of the tangent at a point on the distance-time graph gives the

1. zero speed
2. average speed
3. instantaneous speed
4. final speed