The center-seeking change in velocity of an object moving in a circle is . tangential speed
centripetal speed
tangential acceleration
centripetal acceleration

For which pair of objects would adding the same a

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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?