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Question

I know I'm doing SOMETHING wrong.

Delta KE = (0.5*m*v_f^2) - (0.5m*v_i^2)

Delta KE =

(0.5*0.5065*0.26^2) - (0.5*0.5065*0.31^2)

Delta KE = 0.171197 - 0.024337325

Delta KE = -0.007217625

If this number is negative, so is my coefficient of friction! What am I doing wrong!?

Top Answer

You have calculated the change in kinetic energy K E = 0 . 0 0 7 2 1 7 6 2 5 Negative sign shows the loss of... View the full answer

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