What two properties of em waves change from one end of the em spectrum to the other?

Suppose the gravitational force between two masses is 70 n. if the magnitude of one of the masses halves, what is the force between the masses?

Why does the balloon stick to the wall

If your egg is 0.56kg and you drop it from a height of 4.25m unprotected, what would the velocity be before the egg hit the ground?

A force is a vector that has both

Explain the relationship between DNA, Chromosomes and genes.

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt

ll of mass m is thrown vertically upward with an initial speed of v0. It experiences a force of air resistance given by F = - kv, where k is a positive constant. The positive direction for all vector quantities is upward.

When combing your hair, you scuff electrons from your hair onto the comb. is your hair then positively or negatively charged? how about the comb?