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

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. 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

3. 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

4. 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

5. 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

6. Escape velocity depends on ________?

   A. Mass of the object trying to escape
   B. Radius of the planet or celestial body
   C. Both mass and radius of the planet or celestial body
   D. The velocity of the rotating planet

   Submitted by: Syed Ahsan Ali Shah

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

   A. 22 miles per second
   B. 15 miles per second
   C. 12 miles per second
   D. 7 miles per second

   Submitted by: Mansoor Ahmed Suhag

8. Who was the first to measure the earth’s radius

   A. Galileo
   B. Copernicus
   C. Ptolemy
   D. Eratosthenes

   Submitted by: Jameel Ahmed Solangi (Larkana)

9. Mass of Earth is___________?

   A. 5.972 × 10²⁴ kg.
   B. 6.972 × 10²⁴ kg
   C. 7.972 × 10²⁴ kg
   D. 8.972 × 10²⁴ kg

   Submitted by: Ch.Naeem Kamboh

10. The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________?

    A. Diatonic scale
    B. Fahrenheit Scale
    C. Richter scale
    D. Celsius Scale
    E. None of these