91. Gravitational potential energy of particle
92. The spoon dropped by an astronaut in a satellite will
93. What does the work done by gravity depend on?
94. How is gravitational acceleration represented?
95. Which of the following statements is false?
96. In the Earth, the weight of a body is maximum at the
97. The atmospheric air is held to the Earth by
98. A boy standing on top of a 20 meter high tower throws a stone with which velocity of stone hits the ground is? (g = 10 m/s2)-
99. If a body is projected in a vertical direction perpendicularly, what will be the velocity of the body at the highest point of motion?
(g = gravitational acceleration, h = height, t = time)
(g = gravitational acceleration, h = height, t = time)
100. Calculate the work done by the force of gravity when a satellite moves in the orbit of radius 40,000 km around the earth is-
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