SOLUTION: The Kinetic energy K or a moving object varies jointly with its mass m and the square of the velocity v. If an object weighing 27 kilograms and moving with a velocity of 10 meters
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Question 402950: The Kinetic energy K or a moving object varies jointly with its mass m and the square of the velocity v. If an object weighing 27 kilograms and moving with a velocity of 10 meters per second has a kinetic energy of 1,350 Joules, find its kinetic energy when the velocity is 23 meters per second.
Found 2 solutions by solver91311, richard1234:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
where 
is the constant of proportionality.
Substitute the values given for the initial condition:
(10)^2)
Solve for and then use the resulting formula to solve for any of the other values given two of them.
John
My calculator said it, I believe it, that settles it
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
If you know that the kinetic energy is equal to , then = 7141 J
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