3. Answer the following questions on the basis of the diagram given alongside. a) The car starts to run from point P and takes 3 seconds to reach point Q, and additional 2 seconds to reach point R. Now, calculate the velocity of the car. 8 m S 20 m R 18 m 8 m 20 m P b) If the mass of the car is 350 kg, calculate the power of the car.
