Lightwaves travel from the air into a lens made of glass. their velocity decreases as they enter the glass. how does this affect the frequency and wavelength of the lightwaves?

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

Amira pulls a 3 pound wagon 4 feet. how much work has she done?