Home
Class 11
PHYSICS
What will be the kinetic energy of a sub...

What will be the kinetic energy of a substance when its velocity is doubled ?

A

Double

B

Half

C

Four times,

D

One-fourth.

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

The kinetic energy of an object of mass m moving with a velocity of 5 m//s is 25 J. What will be its kinetic energy when its velocity is doubled ? What will be its kinetic energy - when its velocity si increased three times ?

A 1kg mass has a kinetic energy of 1 Joule when its velocity is

Knowledge Check

  • What will be the kinetic energy of a body when its velocity is halved ?

    A
    Double
    B
    Half
    C
    Four times,
    D
    One-fourth.

  • Assertion : A kinetic energy of a body is quadrupled, when its velocity is doubled. Reason : Kinetic energy is proportional to square of velocity

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion
    C
    If asserti on is true but reason is false
    D
    If the assertion and reason both are false

  • Assertion : A kinetic energy of a body is quadrupled, when its velocity is doubled. Reason : Kinetic energy is proportional to square of velocity.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If the assertion and reason both are false.

    • Similar Questions

    Explore conceptually related problems

    By now much will the kinetic energy of a body increase if its speed is doubled ?

    What happens to the kinetic energy of the molecules of a substance when it is cooled ?

    What happens to the potential energy of a body when its height is doubled ?

    The kinetic energy of an object is K. If its velocity is doubled, then its kinetic energy will becomes nk. What is the value of n ?

    When the velocity of a body is doubled its?

    Home
    Profile