Physicsmedium · Past Paper
The velocity of a body increases from 5 m/s to 15 m/s while covering a distance of 20m. Find the acceleration.
A5 m/s^2
B10 m/s^2
C2 m/s^2
D4 m/s^2
✓ Correct Answer: A — 5 m/s^2
v^2 = u^2 + 2as => 15^2 = 5^2 + 2 * a * 20 => 225 - 25 = 40a => a = 5.
Share this question
More from Physics
- A volt-meter is always connected in ________ with the component to measure potential difference.
- Which part of the eye controls the amount of light entering it?
- Shadows are formed because light:
- Refractive index of water with respect to air is approximately:
- What is the focal length of a magnifying glass of power 20 D?