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
- Which of the following is true for an isolated system?
- The resistance of a conductor is inversely proportional to its:
- What type of lens is formed by an air bubble inside water?
- The kinetic energy of a body of mass 2 kg moving with a velocity of 2 m/s is:
- The core of an electromagnet is typically made of: