A volleyball serve was in the air for 2.2 seconds before it landed untouched in the far corner of the

opponent's court. What was the maximum height of the serve?

Which of the following is an example of diffraction? A. Hearing a band play through an open doorway without seeing them. B. Sitting in a room and watching a band play. C. Playing in a band. D. None of these examples show diffraction.

When is the zebra in motion when it is not moving

Explain the Big Bang Theory using the following terms: pressure, temperature, density, thermal energy and background radiation.

The more testing we have that confirms a hypothesis, A. the more confidence we can feel that it is probably true. B. the more confidence we can feel that it is true. C. the less need we have to consider conflicting evidence. D.

A man weighting 600N runs up the hill. It takes him 20s to reach top which is 15m from ground. Calculat A) a work he has done B) the power output his legs

What is the difference between an object that sinks and one that floats?

Heliocentric means ... sun-centered. moon-centered. Earth-centered. galaxy-centered.

Which of the following statements are true? a. A satellite's motion is independent of its mass. b. A satellite's velocity and orbital radius are independent of each other. c. A geosynchronous satellite has a period of approximately 28 days. d.

Latent heat of vaporization refers to which changes of state? liquid to gas or gas to liquid solid to gas or gas to solid solid to liquid or gas to liquid gas to liquid or liquid to solid

In what part of the scientific method do you record data? a. Conclusion b. Experiment c. Analysis d. Hypothesis