26.A satellite is circling around the Earth at a distance x from the centre of Earth. If the radius of the circular orbit is reduced by 1%, then the speed will increase by

27.Two satellite A and B go around a planet P in circular orbits having radii 4R and R respectively. If the speed of the satellite A is 3v, the speed of satellite B would be

28.A satellite of mass m is revolving round the Earth at a height R above the surface of the Earth. If g is the gravitational intensity at the earth surface and R is the radius of the Earth, then the kinetic energy of the satellite will be

29.Explorer 38, a radio-astronomy satellite of mass 200 kg, circles the Earth in an orbit of average radius 3R / 2 where R is the radius of the Earth. Assuming the gravitational pull on a mass of 1 kg at the earths surface to be 10 N, calculate the pull on the satellite