A ball is thrown upward with the speed of 19.6 m/s, find the speed of ball after 3 seconds.
A truck falls from a bridge into the river in 0.5 s. let g = 10 ms–2, what is the height of the bridge from the water surface?
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Two objects of mass 200 kg and 800 kg separated by a distance of 50 m. Find the gravitational force between the two bodies.
When a ball is thrown vertically upwards, it goes through a distance of 19.6 m. Find the initial velocity of the ball.
Find the value of acceleration due to gravity on the surface of the moon, given mass of the moon = 7.4 ×1022 kg; radius of the moon = 1740 km; and G = 6.7 × 10–11 Nm2 /kg2
If the distance between two bodies is doubled, the force of attraction F between them will be
An object weighs 10 N in air, when immersed fully in a liquid it weighs only 8 N. The weight of the liquid displaced by the object will be
What is the final velocity of a body moving against gravity when it attains the maximum height ?
A body whose weight is 120 kg on the earth. Find its weight on the surface of moon