m2 DISTANCE, DISPLACEMENT, SPEED, VELOCITY

A tennis a player hits a ball hard and 0.40s later hears the echo from a wall. The speed of sound in air is 330 m/s. How far away is the player from the wall?

• 66 m

• 132 m

• 264 m

• 825 m

Two cars are in a race. The graph shows their speed as it changes with time. What can bel said about the motion of the two cars at time t?

• They have both travelled the same distance.

• Their acceleration is the same.

• Car 1 is overtaking car 2.

• Both cars are travelling at the same speed.

A family drives their car from Wiltshire to Lancashire, a 320 km journey. The journey takes 4 hours. The maximum speed of the car is 110 km/h, and the lowest speed is 0 km/h (in roadworks). What was the average speed of the journey?

• 55 km/h

• 80 km/h

• 27.5 km/h

• 110 km/h

The graph shows how the speed of a car changes with time. Between which two times is the car stationary?

• U and V

• V and W

• W and X

• X and Y

A child is standing on the platform of a station. A train travelling at 30 m / s takes 3.0 s to pass the child. What is the length of the train?

• 10 m

• 27 m

• 30 m

• 90 m

A car travels along a straight road. The speed-time graph for this journey is shown. During which labelled part of the journey is the resultant force on the car zero?

• A

• B

• C

• D

A lift (elevator) starts from rest at the ground floor of a building.

The figure is the speed-time graph for the motion of the lift to the top floor of the building. Use the graph to determine the distance from the ground floor to the top floor of the building.

• 58 m

• 62 m

• 66 m

• 70 m

Which graph depicts an object initially at rest accelerating less and less over time?

• 
• 
• 
• 

Drag and drop the labels onto the graph.

b

c

d

e

a

accelerating

fast steady speed

returning to start

stationary

steady speed

A comet, travelling in space, enters the atmosphere of a planet. The figure is the speed-time graph for the comet from time t = 0 s. Which section indicates impact with the planet?

• A

• B

• C

• D