Physicsmedium · Past Paper
The initial velocity of a body is u. It stops after a time t. The retardation is:
Au/t
Bt/u
Cut
D-ut
✓ Correct Answer: A — u/t
a = (0 - u) / t = -u/t. Retardation is the magnitude, which is u/t.
Share this question
More from Physics
- Ultrasonic sound waves have more ________ than audible sound waves.
- A body at rest is said to have a velocity of:
- Power is a:
- The power of an engine which can lift 200 kg of water through 50 m in 10 seconds is (g=10 m/s^2):
- What is the work done by a person in carrying a 20 kg bag on his head while walking 50 m on a horizontal road?