A drone is flying due North at a speed of 15 m/s. A crosswind begins to blow from West to East at a speed of 20 m/s.
What is the magnitude of the resultant velocity of the drone?
5 m/s5\text{ m/s}5 m/s
15 m/s15\text{ m/s}15 m/s
25 m/s25\text{ m/s}25 m/s
35 m/s35\text{ m/s}35 m/s
164 exam-style questions on CIE IGCSE Physics Physical quantities and measurement techniques, covering Physical quantities and measurement techniques. Each one has a worked solution and a mark scheme showing where the marks go.