What is an example of a nebula

Tidal power can be generated by man without investing a lot of energy into the process. True False

Does the initial velocity of an object have anything to do with its acceleration? For example, compared to dropping an object, if you throw it downward would the acceleration be different after you released it?

C. A shoe has a length of 8.3 inches. How many centimeters is this? (Note: 1 in = 2.54 cm)

Why do our bodies age?

An explosion occurs 340 km away. Given that sound travels at 340 m/s, the time the sound takes to reach you is a. 1 s. b. 10 s. c. 100 s. d. 200 s. e. more than 200 s.

What is the approximate increase in size from a 1 w to a 2w carbon resistor?

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.