A cylindrical tank is 50.0 ft deep, in diameter, and filled to the top with water. A flashlight shines into the tank from above. What minimum angle φ can its beam make with the water surface and still illuminate part of the bottom?

Which term best describes the phrase “something that happens”?

What is hidden during a lunar eclipse? isn't the moon hidden?

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.