Which of the following consists of several billion stars and interstellar matter?

Galaxy

Solar system

Planets

Nebula

The energy an object possesses due to its form and position is know as

Which of the following is characteristic of the second stage within a demographic transition? A. The death rate begins to fall, but birth rates remain high for a time. B. The birth rate continues to climb to meet the death rate. C.

How do u convert 7.68 cal/sec to kcal/min

Is water wet? What is your reasoning for thinking this?

5. In order for an F-18 fighter jet to take off from an aircraft carrier, it needs to reach a speed of 73 m/s by quickly accelerating down a 90 m long runway.

For each of the following, describe the relationship as directly or inversely proportional: a) wavelength vs. frequency b) wavelength vs. energy c) frequency vs. energy ... ?

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Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?

a submarine moving directly upward in the water at constant speed. The weight of the summer and it is 500,000 N. The submarines motors are off. The magnitude of the buoyant force acting on the submarine is

If the car went 30 km west in 25 min. and then 40 km east in 35 min., what would be its total displacement?