Planets that are cold have only a small amount of gravity

Which describes how the sodium ion is formed? A. Sodium loses an electron to become a positive ion. B. Sodium loses a proton to become a negative ion. C. Sodium gains an electron to become a positive ion. D.

Screws and wedges are modified blank

A guitar string is plucked. What best describes the formation and transmission of the sound wave? The string vibrates the surrounding air, which produces a transverse wave. The string vibrates the surrounding air, which produces a longitudinal wave.

How much time does it take for a runner moving at a speed of 8.0 meters per second to come to a stop if her acceleration is - 2.0 m/s? a. 4.0 5 b. 10 s C. 16 s d. 6.05

What makes up a nucleus of an atom

An electric current can be generated by moving a wire coil in a magnetic

Where is your diaphragm located? A. below your rib cage B. underneath your trachea C. above your lungs D. behind your heart

At 1 kilometer per year, how many centuries would it take for people to move from africa to china which is 10,000 kilometers away-

7. A locomotive is pulling 19 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car (with its load) is 37,000 kg. If the train is accelerating at 0.

A toy balloon is initially at a temperature of t = 20o c. its initial volume is 0.0042 m3 (it is a 10 cm radius sphere). assume that the pressure in the balloon always equals atmospheric pressure, 101.3 kpa.