You are on in-line skates at the top of a small hill. Your potential energy is equal to 1,000 J. The last time you checked your mass was 60.0 kg. A. What is the height of the hill.

B. If you start rolling down this hill, your potential energy will be converted into kinetic energy. At the bottom of the hill, your kinetic energy will be equal to your potential energy at the top. Calculate your speed at the bottom of the hill.

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i just did this and got a 100.

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation:

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray