1.

Calculate the acceleration due to gravity on the surface of the Moon if mass of the moon is 1/80times that of the earth and diameter of the Moon is 1/4 times that of the earth.2.6 Derive an expression for the critical velocity of a satellite.1.7A stell ball falls from a height of 1 m onto a stell plate and jumps up to a height of 0.81 m. find thecoefficient of restitution..8 A man throws a ball to maximum horizontal distance of 80 m. Calculate the maximum height reached...9 What is a derived quantity ?explain giving example..10 Distinguish between scalar quantity and vector quantity.-11 Write a short note on gravitational force.-12 State any four applications of a communication of satellite.13 Define a couple. Give two examples.SECTION-C​

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