The floor of the room is cooler than the ceiling. explain this based on air currents in the room.

Scientists believe the universe follows a set of "rules" known as?

What is the result of galaxies colliding?

What is internal energy?

A ball of mass 2.0 kg moves with a velocity of 4.0 m/s. A force of - 6.0 N is applied for 3.0 sec. Find the final velocity.

An 82 kg jogger has 810 J of kinetic energy. What is the jogger's velocity?

Between a substance and a mixture.

Two massive objects are fixed in position. A third object is placeddirectly between the first two at the position at which the totalgravitational force on the third object due to the two massiveobjects is zero.

Which statement best describes the magnetic properties of a material? Magnetic materials have many spinning, unpaired electrons Paired electrons of magnetic materials can move to other atoms Electrons of magnetic materials are strongly held by

when we examine the structures of the other terrestrial planets in our solar system, we see that their structure is similar to Earth's. Why do you think this is the case?

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D