Tamika is learning about conduction and convection in science class. Which of the following best describes a situation that would result in convection? Group of answer choices

leaving a glass of ice in the sun

turning on an electrical current

putting a metal spoon in a mug of hot water

turning on an air conditioner in a hot room

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?