Question

Calculate the acceleration due to gravity on the surface of the Moon if mass of the moon is 1/80
times 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.
1.7
A stell ball falls from a height of 1 m onto a stell plate and jumps up to a height of 0.81 m. find the
coefficient 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​

Answer 1

Answer:

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Explanation:

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