Home
Class 11
PHYSICS
On a two-lane road, car A is travelling ...

On a two-lane road, car A is travelling with a speed of `36 km h^(-1)`. Two cars B and C approach car A in opposite directions with a speed of `54 km h^(-1)` each. At a certain instant, when the distance AB is equal to AC, both being 1 km, B decides to overtake A before C does. The minimum required acceleration of car B to avoid an accident is

A

`1m//s^2`

B

`2m//s^2`

C

`3m//s^2`

D

`4m//s^2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

On a two lane road , car (A) is travelling with a speed of 36 km h^(-1) . Tho car B and C approach car (A) in opposite directions with a speed of 54 km h^(-1) each . At a certain instant , when the distance (AB) is equal to (AC), both being 1 km, (B) decides to overtake A before C does , What minimum accelration of car (B) is required to avoid and accident.

On a two lane road , car (A) is travelling with a speed of 36 km h^(-1) . Tho car B and C approach car (A) in opposite directions with a speed of 54 km h^(-1) each . At a certain instant , when the distance (AB) is equal to (AC), both being 1 km, (B) decides to overtake A before C does , What minimum accelration of car (B) is required to avoid and accident.

A car is running at a speed of 15 km h^(-1) while another Similar car is moving at a speed of 45 km h^(-1) . Find the ratio of their kinetic energies.

A car is moving in a straight line with speed 18 km h^(-1) . It is stopped in 5 s by applying the brakes. Find the speed of car in m s^(-1) .

A car travels for 20 min with a constant speed of 54 km h^(-1) Find the distance travelled by the car.

A car is moving towards east with a speed of 25 km h^-1 . To the driver of the car, a bus appears to move towards north with a speed of 25 sqrt(3) km h^-1 . What is the actual velocity of the bus ?

A car travels with speed 30 km h^(-1) for 30 minutes and then with speed 40 km h^(-1) for one hour. Find the average speed of car

A car travels 100 km with a speed of 50 km h^(-1) and another 200 km with a speed of 20 km h^(-1)~ . Is the motion uniform ? Find the average speed of the car.

A car travels with speed 30 km h^(-1) for 30 minutes and then with speed 40 km h^(-1) for one hour. Find the total distance travelled by the car

A car moving along a straight road with speed of 144 km h^(-1) is brought to a stop within a distance of 200 m. How long does it take for the car to stop ?