Physics, 13.03.2020 18:31 joleiswan9919
A toy car uses a battery where 100j of chemical energy is transformed to 90j of electrical energy in a circuit, from which 75j is transformed to kinetic energy. suggest what happens to the rest of the energy supplied and find its efficiency
Answers: 1
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Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.
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An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?
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A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.
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