Question

(e) The car has a total mass of 900 ks and
is travelling at 20 m/s. At time
<=0, the driver sees an accident ahead. He applies the brakes at t = 0.60
to stop the car. After the brakes are applied, the car comes to rest in
further 4.0
(i) Calculate the deceleration of the car as it brakes.
(i) Calculate the braking force acting on the car.
Gun On Fig. 9.2, draw a speed-time graph for the car as it brakes. (3)​

Answer 1

Question ⤵️

The car has a total mass of 900 kg and is travelling at 20 m / s. At time t=0, the driver sees an

accident ahead. He applies the brakes at t = 0.60 s to stop the car. After the brakes are applied,

the car comes to rest in a further 4.0 s.

(i) Calculate the deceleration of the car as it brakes.

Answer ⤵️

a= -5.9 m/sec^2✔️✔️✔️✔️