For an object of 1kg mass to escape the gravitational force of the ear – McqOptions

MCQOPTIONS

1.	For an object of 1kg mass to escape the gravitational force of the earth, the kinetic energy imparted to it from the surface of the earth is approximately _____
A.	5600 J
B.	10200 J
C.	11200 J
D.	12000 J
Answer» B. 10200 J

Discussion

No Comment Found

Related MCQs

If mass (m) is doubled and velocity (v) is halved then _____
Which of the following cannot be called energy?
If a solid sphere of mass 200g and radius 20cm is rotating with an angular velocity of 5 rad s<sup>-1</sup>, its rotational kinetic energy is _____
A particle of mass 200g is thrown vertically upwards with a speed of 10ms<sup>-1</sup>, the work done by force of gravity while the particle goes up is given by _____
An external force is acting on a system, the work done on the system is change in its kinetic energy.
What work must be done to stop a bullet moving with a velocity of 2000ms<sup>-1</sup> and having a mass of 50g?
A pendulum of mass 2kg is given an energy of 200J then the maximum height it will reach is _____
At the highest point of a projectile s trajectory, the kinetic energy is minimum and potential energy is maximum.
A particle of mass 1kg is moving with a velocity of 20ms<sup>-1</sup> then its kinetic energy is ____
A body is falling freely from rest from a height of 100m. The ratio of kinetic energy after 2 and 5 seconds is _____