GCSE Physics – Global Challenges – 1 – Exam Style Questions with Answers

A student picks up a very hotplate.
What is the shortest time the student can react and drop the plate?

A car travels at a speed of 70 mph (miles per hour).
1 mile is approximately 1600 metres.
Convert 70 mph into m/s (metres per second).

An adult on a bicycle travels at 8 m/s on a level road.
She sees a hazard and applies her brakes using full force.
Estimate the force of the brakes.

This question is about speed.
Pupils at a school measure the time cars take to travel two 100 m lengths.
Look at the diagram.
Which car’s speed is increasing as it travels from A to C?

Estimate the typical cruising speed of a jet airliner.

A radiator has a power of 2 kilowatts (2 kW).
Convert 2 kW into watts.

The speed of the wind is measured to be 5.555 m/s.
What is 5.555 m/ s written to 2 significant figures?

A car travels at a speedof60 mph (miles per hour).
1 mph =0.45 m/s.
Convert60 mph into m/s (metres per second).