Physics, 02.09.2019 05:30 marainafolta
Astate trooper chases a speeder along a straight road; with vehicles move at 160 km/h. the siren on the trooperâs vehicle produces sound at a frequency of 500 hz. what is the doppler shift inthe frequency heard by the speeder
Answers: 1
Physics, 21.06.2019 21:30
The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output
Answers: 2
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 00:30
Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging
Answers: 2
Astate trooper chases a speeder along a straight road; with vehicles move at 160 km/h. the siren on...
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