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

Related Mcqs:

1. You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star.

   A. Wolf-Rayet star
   B. Red supergiant
   C. Stellar storm
   D. Pulsar

   Submitted by: Mansoor Ul Haque

2. The average kinetic energy of the molecules of a body determines?

   A. heat
   B. temperature
   C. internal energy
   D. none

   Submitted by: Mahrukh

3. Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy?

   A. Earth
   B. Venus
   C. Moon
   D. Saturn

   Submitted by: Malik Asghar Hussain

4. Celestial body that affects tides of Ocean is?

   A. Sun
   B. Moon
   C. Galaxy
   D. Meteorites

   Submitted by: Mansoor Ahmed Suhag

5. When a bullet penetrates into a target, the kinetic energy of a bullet is converted into ?

   A. Potential energy
   B. Heat energy
   C. Both B&D
   D. Mechanical energy

   Submitted by: Mansoor Ahmed Suhag

6. 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

7. 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

8. 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

9. A device which converts chemical energy into electrical energy is called __________?

   A. motor
   B. generator
   C. moving-coil meter
   D. battery

10. Wind energy is the __________ energy.

    A. Potential
    B. Transverse
    C. Kinetic
    D. Mechanical