A car is traveling at 72 km/h and is 20 m from a barrier when the driver puts on the…
Physics · NEET · NTA Exams — Kinematics
A car is traveling at 72 km/h and is 20 m from a barrier when the driver puts on the brakes. The car hits the barrier 2 s later. What is the magnitude of the constant deceleration?
- 7.2 m/s2
- 10 m/s2
- 36 m/s2
- 15 m/s2
Answer
(B) 10 m/s 2
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