SOLUTION: An object of mass 10 kg is moving at a speed of 9 m/s. How much work must be done on this object in order to stop it?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: An object of mass 10 kg is moving at a speed of 9 m/s. How much work must be done on this object in order to stop it?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 892681: An object of mass 10 kg is moving at a speed of 9 m/s. How much work must be done on this object in order to stop it?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The work done must be equal to the kinetic energy of the object.
W=%281%2F2%29mv%5E2=%281%2F2%29%2810%29%289%29%5E2=405 J