You set up a ramp with a length of 1.15 m, raising one end to a height of 0.4 m. You then roll a 0.300 kg toy car down the ramp, starting at rest
a)What is the change in potential energy of the toy car rolling down this ramp?
b)If all of that energy is changed into kinetic energy, what will the final speed of the toy car be?
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