Exposure to what kind of energy is sensed by human skin as warmth?
a.) gamma rays
b.) ultraviolet
c.) infrared
d.) x-rays

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work