EASY
MHT-CET
IMPORTANT
Earn 100

The critical velocity of a satellite of mass 100 kg is 20 km h-1. The critical velocity of another satellite of mass 200 kg in the same orbit is
 

50% studentsanswered this correctly

Important Questions on Gravitation

EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 168
To have an earth satellite synchronous with the rotation of the earth, it must be launched at proper height moving
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 169
If a body is released from an artificial satellite then
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 170
A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then,
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 171
A satellite is moving around the earth with speed v in a circular orbit of radius r. If the orbit radius is decreased by 1%, its speed will
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 172
Two satellites A and B go round a planet in circular orbits having radii 4R and R, respectively. If the speed of satellite A is 3v then the speed of satellite B is
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 173
The period of a satellite in a circular orbit around a planet is independent of-
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 174
Given the radius of Earth R and length of a day T the height of a geostationary satellite is [G-Gravitational Constant, M-Mass of Earth]
EASY
MHT-CET
IMPORTANT
Physics Crash Course MHT-CET>Chapter 5 - Gravitation>Exercise 1>Q 175
A satellite has kinetic energy K, potential energy V and total energy E. Which of the following statements is true?