Physicseasy · Past Paper
What is the gravitational potential energy of a 2 kg object at a height of 5 m from the earth? (g = 9.8 m/s^2)
A10 J
B98 J
C49 J
D19.6 J
✓ Correct Answer: B — 98 J
PE = mgh = 2 * 9.8 * 5 = 98 Joules.
Share this question
More from Physics
- The refractive index of a prism is 1.5 and the angle of prism is 60. The angle of minimum deviation is:
- What is the power of a plane glass plate?
- What is the direction of conventional current?
- A lens of power P is cut into two equal halves along the principal axis. The power of each half is:
- Calculate the equivalent resistance of the network where two 4-Ohm resistors are in parallel, and this combination is in series with a 2-Ohm resistor.