## Applied Mechanics and Graphic Statics The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of

8.04 km/sec at a height of 285 km
11.26 km/sec, the satellite escapes the pull of the earth
11.11 km/sec at a height of 37,400 km
All listed here

## Applied Mechanics and Graphic Statics Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis?

Disc with smaller density
None of these
Disc with larger density
Both discs will have same rotational inertia

1.0 m/sec
2.5 m/sec
1.5 m/sec
0.5 m/sec

## Applied Mechanics and Graphic Statics The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by

0.043055555555556
0.12569444444444
0.084027777777778
0.042361111111111

## Applied Mechanics and Graphic Statics Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation

Is directly proportional to their velocity of approach
Is equal to the sum of their velocities of approach
Is inversely proportional to their velocity of approach
Bears a constant ratio to their velocity of approach