Physics, 21.10.2020 19:01 cxttiemsp021
Which is a true statement about electromagnetic waves?
A. Even though you cannot feel them you are always being showered by them.
B. You can always feel them interacting with you.
C. Electromagnetic waves are never dangerous.
Answers: 1
Physics, 22.06.2019 13:10
The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ฯ resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ฯ.
Answers: 3
Physics, 22.06.2019 17:00
Explain what will happen if decomposers were apsent from a forest ecoysystem.
Answers: 1
Which is a true statement about electromagnetic waves?
A. Even though you cannot feel them you are...
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