I will mark brainliest!! The Moon travels around the Earth each month in an elliptical path, as opposed to a perfect circle. This means that the speed of the Moon and its distance from Earth change over the course of a year.
What does this say about the magnitude the centripetal force over the course of a month?

The plum pudding model of the atom states that ?

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is