**Q2 ****Answers**

**Questions**

(3) (a) A car accelerates at a constant rate of 1.83m/s

The force acting on the car is 1.870 kN.

Calculate the mass of the car.

Give your answer to three significant figures. (3)

^{2}along a flat straight road.The force acting on the car is 1.870 kN.

Calculate the mass of the car.

Give your answer to three significant figures. (3)

mass = ........................................... kg

(b) The car accelerates from rest for 16 s.

Calculate the speed of the car after 16 s.
(3)

speed = ........................................... m/s

(c) The car starts on another journey.

**Figure 6** shows the graph of the carâ€™s movement.

Show that the distance travelled when the car is moving at a constant speed is greater than the distance travelled when the car is slowing down.
(4)

**(Total for Question 3 = 10 marks)**