Question

6. A car travels with a uniform velocity of 20 m s'
for 5 s. The brakes are then applied and the car is
uniformly retarded and it stops in further 4 s.
Draw a sketch graph of velocity versus time. Use
this graph to find the
(a) distance travelled in first 5 s. [Ans. 100 m]
(b) distance travelled after the brakes are applied.
[Ans. 80 m]
(c) total distance travelled.
(Ans. 140 m]
(d) acceleration during the first 5 s and last 4 s.
(Ans. 0,5 m 521​

Answer 1

Answer:

khud karle yaar

Explanation: