Physics, 08.01.2021 14:50 lanaiheart7
A speaker, rated at 2V, draws a current of 3A. It is left switched on for
4 seconds. How much electrical work is done on a speaker?
1
Remember the equation for electrical work done
E = P xt= xVxt
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A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
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An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
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A speaker, rated at 2V, draws a current of 3A. It is left switched on for
4 seconds. How much elect...
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