Friction reduces efficiency because energy is lost as
a. work
c. gravity
b. heat<...
Answers: 1
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Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.
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Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
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