A rocket needs the speed of _______ to escape from earth’s gravity?

Related Mcqs:

1. Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______?

   A. Centripetal force due to the earth’s rotation B. Earth’s gravitational pull C. Pressure of the atmosphere D. Moon’s gravitational pull Submitted by: Rashid Mehmood...

2. If a rocket is launched with a velocity less than the escape velocity of Earth, it will:

   A. Escape the Earth’s gravitational field B. Enter into an elliptical orbit around the Earth C. Fall back to Earth D. Travel to another planet Submitted by: Syed Ahsan Ali Shah...

3. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

   A. 25 miles per sec B. 60 miles per sec C. 7 miles per sec D. 10 miles per sec E. None of these...

4. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of ________ miles/second ?

   A. 35 B. 25 C. 12 D. 07 Submitted by: Mansoor Ahmed Suhag...

5. Pen and a home which will need more velocity to escape from the earth?

   A. pen needs less velocity B. home needs more velocity C. both need the same velocity D. none Submitted by: Syed Ahsan Ali Shah...

6. What is the escape velocity on Earth?

   A. 7.9 km/s B. 9.8 km/s C. 11.2 km/s D. 12.4 km/s Submitted by: Syed Ahsan Ali Shah...

7. What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same?

   A. It would remain the same B. It would increase by a factor of 2sqrt{2}2​ C. It would double D. It would decrease by a factor of 2sqrt{2}2 Submitted by: Syed Ahsan Ali Shah...

8. Which of the following statements is true about escape velocity?

   A. Escape velocity is independent of the mass of the planet B. Escape velocity is independent of the mass of the escaping object C. Escape velocity decreases with an increase in the radius of the planet D. Escape velocity depends on the shape of the planet Submitted by: Syed Ahsan Ali Shah...

9. On the Moon, the escape velocity is: __________?

   A. Less than on Earth due to its lower mass and smaller radius B. More than on Earth due to its smaller radius C. The same as on Earth because escape velocity is a constant D. Dependent on the time of day Submitted by: Syed Ahsan Ali Shah...

10. For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________?

    A. Less than the gravitational potential energy of the body B. Equal to the gravitational potential energy of the body C. Greater than the gravitational potential energy of the body D. None of the above Submitted by: Syed Ahsan Ali Shah...