Ultraviolet rays are more likely to give you a sunburn than visible light. what statement would be the best possible explanation for this?
a) visible light cannot penetrate the skin.
b) ultraviolet rays have a higher frequency and therefore have more energy.
c) visible light has a broader range of frequencies and amounts of energy.
d) ultraviolet rays have a longer wavelength and therefore have more energy.

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

Does heating a metal wire increase or decrease its electrical resistance? why?

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (