Water cools from 2 to - 2 during this time what happens to the motion of the moleclues

A 36-tooth gear turns three times. It is connected to a 12-tooth gear. How many times does the 12-tooth gear turn?

As a change of state is occurring, the temperature of the system does not change. a. True b. False

Which mechanical waves needs a medium to travel through? Transverse and longitudinal waves only Longitudinal and surface waves only At mechanical waves need a medium to travel through Surface waves only

14. A motorcycle accelerates at a rate of 4.21 m/s2 If the cyclist went from 8.2 m/s to 55.9 m/s, how long did he accelerate?

How is radiation different from convection and conduction? O It can travel through water. O It can travel through empty space. O It can travel through matter.

the acceleration of a body in free fall depends on the place or the world in which it is, true or false?

A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. the square loop is then re-formed into a circular loop, which also consists of a single turn and is also perpendicular to the same magnetic field.

A thin cylindrical shell and a solid cylinder have the same mass and radius. The two are released side by side and roll down, without slipping, from the top of an inclined plane that is 1.8 m above the ground.

The water in a lake is at 5 °C. A diver measures the pressure of the water at two different depths in the lake. He repeats the measurements on a different day when the water is at 15°C.

A hot spot is an area where material from deep within the mantle rises and melts through the crust above it. True or False