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A 70kg bicyclist (including the bicycle), initially at rest at the top of a hill, coasts down the hill. During her ride she experiences a 40N drag. The distance and height of the hill are shown. Neglect any friction impeding the motion and the rotational energy of the wheels. List the energy types at the initial and final time and whether work and loss (due to non-conservative forces) occur as well as the corresponding amounts of energy. 17m 95m reference level initial: GPE %3D work? NoWoe %3D loss? Loses = 3800U %3D Vsand = 34 3mls final: KE How fast was the bicyclist traveling at the bottom of the hill? 15,2 m/s

A 70kg bicyclist (including the bicycle), initially at rest at the top of a hill, coasts down the hill. During her ride she experiences a 40N drag. The distance and height of the hill are shown. Neglect any friction impeding the motion and the rotational energy of the wheels. List the energy types at the initial and final time and whether work and loss (due to non-conservative forces) occur as well as the corresponding amounts of energy. 17m 95m reference level initial: GPE %3D work? NoWoe %3D loss? Loses = 3800U %3D Vsand = 34 3mls final: KE How fast was the bicyclist traveling at the bottom of the hill? 15,2 m/s

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A 70kg bicyclist (including the bicycle), initially at rest at the top of a hill, coasts down the hill. During her ride she experiences a 40N drag. The distance and height of the hill are shown. Neglect any friction impeding the motion and the rotational energy of the wheels. List the energy types at the initial and final time and whether work and loss (due to non-conservative forces) occur as well as the corresponding amounts of energy. 17m 95m reference level initial: GPE %3D work? NoWoe %3D loss? Loses = 3800U %3D Vsand = 34 3mls final: KE How fast was the bicyclist traveling at the bottom of the hill? 15,2 m/s
Transcribed Image Text:A 70kg bicyclist (including the bicycle), initially at rest at the top of a hill, coasts down the hill. During her ride she experiences a 40N drag. The distance and height of the hill are shown. Neglect any friction impeding the motion and the rotational energy of the wheels. List the energy types at the initial and final time and whether work and loss (due to non-conservative forces) occur as well as the corresponding amounts of energy. 17m 95m reference level initial: GPE %3D work? NoWoe %3D loss? Loses = 3800U %3D Vsand = 34 3mls final: KE How fast was the bicyclist traveling at the bottom of the hill? 15,2 m/s
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