Physicsmedium · Past Paper
A body moves from A to B with 40 km/h and returns with 60 km/h. The average velocity is:
A48 km/h
B50 km/h
CZero
D10 km/h
✓ Correct Answer: C — Zero
Average velocity = total displacement / total time. Since the body returns to the start, displacement is zero.
Share this question
More from Physics
- Work done is said to be zero if the angle between force and displacement is:
- A particle is moving in a straight line with initial velocity u and uniform acceleration a. If the sum of distances in t-th and (t+1)-th seconds is 100m, then u + at is:
- Pressure in a liquid at the same horizontal level is:
- What is the frequency of a wave with a time period of 0.05 seconds?
- A ship moves from river water to sea water. It will: