What kinetic energy should be imparted to an object of mass m to rai – McqOptions

MCQOPTIONS

1.	What kinetic energy should be imparted to an object of mass m to raise it to a height of 1000 meters? (Take g = 10 m/s²)
A.	10m J
B.	100m J
C.	1000m J
D.	10000m J
Answer» E.

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 _____