JR2 physics- kinematics (graph)

The v-t graph shows the movement of a car. Which of the following best describe the motion of the car in the whole journey?

• uniform speed- decelerate - - accelerate -stationary

• accelerate- decelerate - - accelerate - uniform speed

• uniform speed-stationary-accelerate- decelerate

• accelerate- decelerate - - constant speed -stationary

The v-t graph shows the motion of a car. Calculate the distance the car travelled when it maintains its speed.

• 60m

• 75m

• 600m

• 150m

Which part shows the highest acceleration?

• A

• B

• C

• D

Calculate the acceleration in part C.

• 1.5

• 15

• 1

• 5

What is the distance travelled for the first 20 seconds?

• 200

• 75

• 150

• 225m

Jessica went for a walk. Her walk is represented by the graph. On which section did she walk fastest?

• AB

• BC

• CD

• DE

• EF

What was her average speed for the first 3 hours in km/h?

• 4

• 3

• 12

• 6

What is the total distance travelled by Jessica in km?

• 12

• 8

• 16

• 24

What is the average speed for the first 20seconds?

(answer in m/s)

• 80

• 160

• 12

• 24

Which of the following is NOT a unit for speed?

• m/min

• km/s

• kgm/s

• m/s