SSC
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
If we double the speed of an object, what happens to the kinetic energy?
|
|
doubles
|
|
|
quadruples
|
|
|
nothing
|
|
|
is halved
|
Explanation:
Detailed explanation-1: -Therefore, when the object’s speed doubles, its kinetic energy doubles to four times the initial kinetic energy.
Detailed explanation-2: -Kinetic energy depends on the velocity of the object squared. This means that when the velocity of an object doubles, its kinetic energy quadruples.
Detailed explanation-3: -The laws of physics determine that the force of impact increases with the square of the increase in speed. So, if you double the speed of a car, you increase its force of impact four times. If you triple the speed, the impact is nine times as great.
There is 1 question to complete.