Physics, 17.08.2019 23:10 mooneyhope24
The front and rear sprockets on a bicycle have radii of 8.40 and 4.91 cm, respectively. the angular speed of the front sprocket is 12.3 rad/s. determine (a) the linear speed (in cm/s) of the chain as it moves between the sprockets and (b) the centripetal acceleration (in cm/s2) of the chain as it passes around the rear sprocket.
Answers: 2
Physics, 21.06.2019 17:20
If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves
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Physics, 21.06.2019 20:30
Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?
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Physics, 21.06.2019 22:00
What is the fate of the electrons that interact with a specimen in an electron microscope?
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Physics, 22.06.2019 09:30
Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
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The front and rear sprockets on a bicycle have radii of 8.40 and 4.91 cm, respectively. the angular...
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