KCET 2017 Physics Solved Paper

Given, velocity of car =20ms−1 ; distance = 40 m
We know, distance travelled =‌

(‌ velocity ‌)2

2×‌ acceleration

⇒ acceleration Therefore, acceleration =10ms−2
When Velocity =2×20=40ms−1
then, distance travelled =

(40)2

10

=

1600

10

=160m
Thus, distance travelled by car = 160 m