The newest 20 of 27 written questions. Open one to see it on the real paper.
The force acting to slow the rocket is negligible at low speeds. Calculate the speed of the rocket when it has fallen for 2 seconds from rest. speed = m / s
See it on the paper →On Fig. 2.1, draw a graph for an object that is moving with decreasing speed.
See it on the paper →On Fig. 2.2, draw a graph for an object that is moving with constant acceleration.
See it on the paper →The student varies the height from which the ball is dropped and measures the horizontal distance between the point on the ramp where the ball bounces and the point on the floor where the ball lands. Fig. 3.3 shows the graph of her results. 70 60 50 horizontal distance / cm 40 30 20 10 20 30 40 50 60 70 80 Fig. 3.3 Des...
See it on the paper →State how the graph shows that the trolley has a constant acceleration.
See it on the paper →Calculate the acceleration of the trolley. acceleration = m / s 2
See it on the paper →the letter A to label part of the graph that shows constant non-zero acceleration
See it on the paper →the letter B to label part of the graph that shows changing acceleration.
See it on the paper →Calculate the distance travelled by the ball between 2.0 s and 2.4 s. distance = m
See it on the paper →Calculate the acceleration of the block when it is released. State the unit of your answer. acceleration = unit
See it on the paper →There is a frictional force of 2.0 N to the left acting against the block as it moves. The block moves 0.75 m along the bench. Calculate the work done against this frictional force. work done = J
See it on the paper →The man wants to calculate the speed of the ball. Explain what is meant by the speed of the ball.
See it on the paper →The speed of the ball is as fast as a car. Suggest a suitable value for the speed of the ball and include the unit in your answer. value for speed = unit
See it on the paper →Calculate the horse’s maximum speed in metres per second. Show your working. Give your answer to 2 significant figures. maximum speed = m / s
See it on the paper →The horse runs at maximum speed for one minute. Calculate the distance travelled by the horse and state the unit. distance travelled = unit
See it on the paper →On Fig. 1.1, mark and label point B to show the speed of the motorcycle and the time when it passes checkpoint B.
See it on the paper →On Fig. 1.1, draw a straight line between point A and point B to show how the speed of the motorcycle changes between checkpoint A and checkpoint B.
See it on the paper →Calculate the deceleration of the motorcycle between checkpoint A and checkpoint B. Use the equation: deceleration = change in speed . time taken Give your answer to three significant figures. deceleration = m / s 2
See it on the paper →A force of 420 N is applied at the brakes to decelerate the motorcycle. Using your answer to (a)(iii), calculate the mass of the motorcycle. mass = kg
See it on the paper →Describe a procedure to measure accurately the period of the pendulum.
See it on the paper →Most candidates correctly identified regions of non-zero acceleration on this speed–time graph.
— Examiner report, October/November 2023, 5129/21 Q1(a)(i) (Cambridge)
Most candidates identified a region of changing acceleration on the graph.
— Examiner report, October/November 2023, 5129/21 Q1(a)(ii) (Cambridge)
Most candidates recalled and rearranged the equation for speed = distance × time. However, many candidates misread the graph. On this scale a small square is 0.4 m / s.
— Examiner report, October/November 2023, 5129/21 Q1(b) (Cambridge)
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