Does a mirror work because of refraction

If the Earth's core provides the heat that drives plate tectonics, then what will eventually happen as the Earth's core cools down over billions of years?

Which statement about one of Newton's laws of motion is incorrect? A) the total force on an object is calculated by multiplying it mass times its acceleration, B) An object is motion continues in motion unless acted upon by and outside force.

Which of the following is the best definition of vaporization Change of a liquid to a solid Change of a solid to a liquid Change of a liquid to a gas

What is the ultimate fate of an isolated white dwarf? A) It will cool down and become a cold black dwarf. B) As gravity overwhelms the electron degeneracy pressure, it will explode as a nova.

What is the unit for impulse? A. kg-N B. kg-m/s2 C. N-s D. J

What is the meaning of the washing motion of the younger monk? is it the same when dobbins does it?

A teacher pulls a box of books on a horizontal floor with a force of 290 N directed 40.9 degrese above the horizontal. the coefficiant of kinetic friction between the box and the floor is 0.184. the mass of the box and books is 44.5 kg.

The dark colored belts on jupiter are brighter than the surrounding regions and the light colored zones when viewed in infrared or heat radiation because

Which is a characteristic of centripetal acceleration? It is directed outward from the center of a circle. It is directed inward, toward the center of a circle. It results in an object moving faster. It results in an object moving slower.

Any value giving up from the best alternative is called