How does a steam engine work? A. steam expands and spins an axle B. steam enters a cylinder and pushes a piston C. steam turns a turbine D. steam causes wheels to turn

The magnetic moment m⃗ of a current loop is defined as the vector whose magnitude equals the area of the loop times the magnitude of the current flowing in it (m=IA), and whose direction is perpendicular to the plane in which the current flows.

If radiative forcing were to increase in a particular region of Earth, what would you expect to happen to average temperatures? A. Average temperatures would decrease. B. Average temperatures wouldn't change. C. Average temperatures would increase.

What happens when the tempature of an object increases? The objects particles move faster The number of objects particles increases The objects particles stop moving The objects particles move closer together

A 2.2 kgkg block slides along a frictionless surface at 1.2 m/sm/s. A second block, sliding at a faster 4.0 m/sm/s, collides with the first from behind and sticks to it. The final velocity of the combined blocks is 1.8 m/sm/s?

When was the copernican treatise published

A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water?

This is a machine consisting of two wheels of different sizes that rotate together. It is a modified lever.

A source from which organisms generally take elements is called a/an A. biotic community. B. reservoir. C. exchange pool. D. food web.

Jill has a mixture of sand and iron fillings. The mass of the mixture is 250 g. Jill uses a magnet to seperate the two substances. Then she measures the mass of the sand as 150 g what should be the mass of the iron fillings

Ca (OH) 2 is__ An acid A base A salt