Physics
Physics, 26.10.2019 03:43, livingfamyboys35

Agirl and her bicycle have a total mass of 40.0 kg. at the top of the hill her speed is 5.0 m/s, and her speed doubles as she rides down the hill. the hill is 10.0 m high and 100 m long. how much kinetic energy and potential energy is lost to friction?
a. 2 420 j
b. 1 500 j
c. 2 000 j
d. 3 920 j

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