Ana E.

asked • 11/30/19

physics question

A child decides to sled down a 12 m tall hill. They reach the bottom with a speed of 14 m/s. What percentage of their initial mechanical energy was lost due to friction?

a) 17%


b) 9%

1 Expert Answer


Mark H. answered • 11/30/19

Tutoring in Math and Science at all levels

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.