How high must the body be lifted to gain an amount of potential energ – McqOptions

MCQOPTIONS

1.	How high must the body be lifted to gain an amount of potential energy equal to the kinetic energy it has when moving at a speed of 20m/s? g=9.8m/s2
A.	20m
B.	20.0m
C.	202m
D.	22m
Answer» C. 202m

Discussion

No Comment Found

Related MCQs

A ball is thrown vertically upwards with a velocity of 20m/s. At what height, will its kinetic energy be half its original value?
How high must the body be lifted to gain an amount of potential energy equal to the kinetic energy it has when moving at a speed of 20m/s? g=9.8m/s2
Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of 10cm. Take g = 9.8m/s2
A bullet of mass 20g is found to pass two points 30m apart in a time interval of 4s. Calculate the kinetic energy of the bullet if it moves with constant speed.
The momentum of a body of mass 5kg is 500kgm/s. Find its kinetic energy?
When force and displacement are in the same direction, the kinetic energy of the body ___________
<p>HOW HIGH MUST THE BODY BE LIFTED TO GAIN AN AMOUNT OF POTENTIAL ENERGY EQUAL TO THE KINETIC ENERGY IT HAS WHEN MOVING AT A SPEED OF 20M/S? G=9.8M/S2?</p>
<p>A ball is thrown vertically upwards with a velocity of 20m/s. At what height, will its kinetic energy be half its original value?</p>
<p>Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of 10cm. Take g = 9.8m/s2</p>
Which of the following is not a conservative force?