Physicshard · Past Paper
A body is moving with constant acceleration. If it travels 10m in 2s and 30m in next 2s, what is the initial velocity?
A0 m/s
B2.5 m/s
C5 m/s
D10 m/s
✓ Correct Answer: A — 0 m/s
Equations: 10 = 2u + 2a and 40 = 4u + 8a. Solving these gives u=0 and a=5.
Share this question
More from Physics
- A physical quantity that has both magnitude and direction is called:
- Which color of light deviates the least when passing through a prism?
- If a force is perpendicular to the displacement, the work done is:
- A balloon filled with hydrogen gas rises in the air because:
- The energy of a body due to its motion is: