JEE Main Physics question
A car is travelling at 72 kmh and is 20 m from a barrier when the driver applies the brakes. The car hits the barrier 2 s later. What is the magnitude of the constant deceleration?
Answer: (B)
Solution
kmh ms. ms.
A car is travelling at 72 kmh and is 20 m from a barrier when the driver applies the brakes. The car hits the barrier 2 s later. What is the magnitude of the constant deceleration?
kmh ms. ms.