Why is a mirror that is cleaned with an alcohol solution slightly colder right after it is clean. Can anyone explain why?

When a force of 16 N acts on a body of mass 8kg, the body will accelerate at?

Regarding the history of the universe, which of the following is true? Regarding the history of the universe, which of the following is true?

Unequal sharing of electrons occurs when one atom's protons have a greater pull on the shared electrons. true or false

A space station that does not rotate cannot simulate gravity for its occupants. A) True B) False From within a rotating reference frame, the centrifugal force simulates gravity.

Select all the factors that increase the erosion a river causes. A. greater salinity B. greater rate of flow C. higher temperature of the water D. more dissolved particles in the water

The liquid electrolyte in the battery typically takes what kind of net charge? a. positive b. negative c. neutral

Relating to Newton's Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?

Three light bulbs are connected to a battery in a series circuit. How will the bulbs behave if the circuit is closed?

Luke investigated the heating of water

In the nucleus of all atoms are sub-atomic particles called protons and neutrons. all protons have a positive charge.