Physics, 12.06.2020 21:57 christiantorres57
g: An electrical motor spins at a constant rate, so that the outer edge of the rotor is moving with a speed of 33.8 m/s. If the outer edge of the rotor is 20 cm from the center, what is the centripetal acceleration of the outer edge of the rotor
Answers: 1
Physics, 22.06.2019 17:30
Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity
Answers: 3
Physics, 22.06.2019 21:30
Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?
Answers: 2
Physics, 23.06.2019 01:30
Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.
Answers: 2
Physics, 23.06.2019 04:00
A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature
Answers: 1
g: An electrical motor spins at a constant rate, so that the outer edge of the rotor is moving with...
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