Physics, 13.12.2021 06:40 beserkerbradley5863
A 65kg bicyclist (including the bicycle) is pedaling right with a constant speed of
6m/s despite experiencing a 50N drag. Neglect any friction impeding the motion.
How much force is the bicyclist generating through her pedaling?
How much power is she expending?
Answers: 1
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Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?
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Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?
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Physics, 22.06.2019 15:00
Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current
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A 65kg bicyclist (including the bicycle) is pedaling right with a constant speed of
6m/s despite e...
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