A drone flies 600 m at an average speed of 4.0 m/s. It then flies another 600 m at an average speed of 12.0 m/s. What is its average speed for the total distance of 1200 m?
3.0 m/s3.0\text{ m/s}3.0 m/s
6.0 m/s6.0\text{ m/s}6.0 m/s
8.0 m/s8.0\text{ m/s}8.0 m/s
16.0 m/s16.0\text{ m/s}16.0 m/s
204 exam-style questions on CIE IGCSE Physics Motion, covering Motion. Each one has a worked solution and a mark scheme showing where the marks go.