Answer:
Resistance is a measure of the opposition to current flow in an electrical circuit.
Explanation:
Answer:
A) 
Explanation:
Maximum voltage =
Maximum voltage and rms voltage are related to each other by
Answer:
friction can be used to slow things down but it can also be harmful because it can cause fire to start
Answer:
A. The athlete isn’t doing any work because he doesn’t move the weight.
Explanation:
We must remember the definition of work, which says that work is equal to the product of mass by the distance displaced. In this case, the athlete only does work when he lifts the weight from the ground to the point where he holds the weight suspended.
So when he's holding the weight, he doesn't do any work.
Answer:
The orbital period of a planet depends on the mass of the planet.
Explanation:
A less massive planet will take longer to complete one period than a more massive planet.
