If an airplane undergoes a displace-

ment of 500. km northwest in 1.2 hr,

what is its average velocity?

A systematic error in data is called

The first law of thermodynamics states that ___. when a process converts energy from one form to another, some energy converted into heat, an unusable form of energy energy can neither be created nor destroyed, but it can change from one form to

How long does it take for the earth to make this trip

When a rocket is in space and needs to return to Earth, it has to push off something. But there is no air in space for the rocket to push off of. How will it return?

How many paths through which charge can flow would be shown in a diagram of a series circuit? 1. one 2. two or more 3. none 4. more information

What conditions in the nucleus are likely to result in the nucleus breaking apart? A. When the repulsion of the strong force is weaker than the repulsion of the electrostatic force B.

What color do you see when all colors of light are reflected

A ball is thrown with a velocity of 20 m/s at an angle of 60 degrees above the horizontal. What is the horizontal component of its instantaneous velocity at the the exact top of its trajectory?

You pull on a wagon resting on the sidewalk. What will happen next. A. The wagon does not move because the wagon applies more force to you than you apply to the wagon. B. The wagon moves because you apply more friction to the ground. C.

If someone travels 3000 feet in one second, how far will it travel in 18 minutes