The store is right around the block from my house and takes a person about 5 minutes to get there and back. Why did it take my dad 3 years to come home?

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.

Why was the theory of plate tectonics met with challenges from other scientists when it was first proposed? a. there was no evidence to support it b. the scientist who proposed it was obviously biased c.

Heat energy goes from

An arrow is shot from a bow at an angle of 35 degrees above horizontal with an initial speed of 50 m/s what is the arrows horizontal x and y components?

A sound wave is produced when a medium begins to blank.

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

What is the basic definition of a black hole? a. any compact mass that emits no light b. a dead star that has faded from view any object from which the escape velocity exceeds c. the speed of light any object made from dark matter d.