How does a steam engine do work?

(a) steam enters a cylinder and pushes a piston.

(b) steam expands and spins an axle.

(c) steam turns a turbine.

(d) steam causes wheels to turn.

Make a prediction on how two A-tapes interact. Will they attract, repel or exert no force on each other?

Distinguish between endangered and extinct species.

What is the average speed of an object that travels 6.00 meters north in 2.00 seconds and then travels 3.00 meters east in 1.00 second

Which of the following must be true of a person who shares the same reference frame as you? a) the person must be sitting right next to you b) the person must be the same size as you c) the person must not be moving relative to you.

If a pigeon flew 1000 meters north in 48 seconds, what is its average 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