Question 1
FA runner wears a fitness tracker.
The Figure shows the display on the fitness tracker at the end of a run.
Figure
a.[2]
Give the time taken for the run in seconds.
b.[3]
Calculate the average speed of the runner in m/s\text{m/s}m/s.
Use the equation
average speed=distance÷time\text{average speed} = \text{distance} \div \text{time}average speed=distance÷time
c.[2]
The runner's friend says that the runner's average speed was about 13 km/h.
Show that the friend is correct.
1.1 Units and quantities Questions
39 exam-style questions on Edexcel GCSE Physics 1.1 Units and quantities, covering 1.1.1 SI units for physical quantities and 1.1.2 Unit prefixes, conversions, significant figures and standard form. Each one has a worked solution and a mark scheme showing where the marks go.