NEETPhysicsMotion in One Dimension
What is the retardation (assuming it's uniform) of a car moving along a straight highway at a speed of 126 km/h, and how long does it take for the car to come to a complete stop within a distance of 200 meters?
Options
- ARetardation is -3.06 m/s², and it takes 22.86 seconds.
- BRetardation is -3.06 m/s², and it takes 11.43 seconds.
- CRetardation is -6.12 m/s², and it takes 22.86 seconds.
- DRetardation is -6.12 m/s², and it takes 11.43 seconds.
Correct answer
B. Retardation is -3.06 m/s², and it takes 11.43 seconds.
Step-by-step solution
Correct Option is : (B) Retardation is -3.06 m/s², and it takes 11.43 seconds.