When butter melts, and when that melted butter cools and solidifies the process is called

Rank the following from greatest energy to the least: a. A stationary 2kg ball 2m off the ground. b. A stationary 1kg ball 1.5m off the ground. c. A 1kg ball moving 3m/s, 2m off the ground. d. A 2kg ball moving 4m/s, 1.5 off the ground.

You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 50 km/h. A new model of mass 1500 kg takes 0.

Almost 500 grams of sugar can dissolve in 100 milliters of boiling water. you have a boiling solution of liquid with as much sugat as it can hold. if you cool the solution slowly and sugar does not settle out as it cools you know the solution is

Which of these is not a form of matter? a. air b. milk c. rock d. light

How is the formula for finding the speed of a wave like the formula for finding the speed of a person running a race?

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

How does changing depth affect water pressure