02 Kinematics

Multiple Choice

Which of the following is a vector quantity?

• Displacement

• Time

• Distance

• Speed

Multiple Choice

Given that the speed of an object is the distance travelled per unit time, what is the SI unit for speed?

• m

• m/s

• m/s²

• m²/s

Poll

If Usain Bolt were to race against a cheetah in a 100-metre sprint, who would be the winner?

• Usain Bolt

• Cheetah

Open Ended

Define average speed.

Multiple Select

Acceleration occurs when the _ and / or _ change.

• Speed

• Direction

• Mass

• Time

Multiple Choice

What is the formula to calculate acceleration?

• a = u + v

• a = v / t

• a = (v x u) / t

• a = (v - u) / t

Multiple Select

A car drives at constant speed around the racing track JKLM as shown on the right.

Over which two points on the racing track will the car experience an acceleration?

• JK

• KL

• LM

• MJ

Open Ended

A runner slows down from 6.0 m/s to 2.7 m/s in 1.4 seconds.

Open Ended

Define acceleration.

Open Ended

Speed is defined as the ...

Multiple Choice

Given that the speed of an object is the distance travelled per unit time, what is the SI unit for speed?

• m

• m/s

• m/s²

• m²/s

Multiple Choice

What can be deduced from the gradient of a distance–time graph?

• Acceleration

• Speed

• Distance travelled

• Displacement