Question

Manan and Sharman went to Agra through Yamuna expressway. Manan started the car

and accelerated such that the car was running at 108 km/h speed within 10 seconds.

Manan continued with the same speed for next 30 seconds. Then Sharman asked

Manan to slow down the speed of the car as he was feeling unsafe at this high speed.

Manan gently applied the brakes and brought the speed of the car to 72km/h within 5

seconds. Then they continued with the same speed for next 2 hours and safely reached

to Agra
1. What was the acceleration of the car?

(a) 10.8 m/s2

(b) 3 m/s2

(c) 30 m/s2

(d) 5 m/s2

2. How much distance was travelled by the car before applying the brakes?

(a) 1050 m

(b) 1350 m

(c) 1600 m

(d) 3580 m

3. What was the retardation of the car?

(a) -2 m/s2

(b) -16.5 m/s2

(c) -21.6 m/s2

(d) -3 m/s
4. What is the average speed for first 40 seconds?

(a) 2.02 m/s b) 26.25 m/s c) 20 m/s d)30m/s

5.

Given v-t graph represents which part of the journey?

(a) Motion of the car from 0 to 10 seconds

(b) Motion of the car from0 to 40 seconds

(c) Motion of the car from 10 seconds to 40 seconds

(d) Motion of the car from 40 to 45 seconds​

Answer 1

Answer:

hiiiiiiiiiiiiiiiiiii