Who discovered magnetism

The matter that makes up a planet is distributed uniformly so that the planet has a fixed, uniform density.

How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m? What is the pebble's speed when it has fallen 29.4 m?

The volume of a gas with a pressure of 1.2 atm increases from 1.0 l to 4.0 l. what is the final pressure of the gas, assuming constant temperature? tip: use boyle's law

The box set was an important because: a. It supported a more realistic acting style b. It was an advancement made possible by electric lighting c. It was banned d. It paved the way for the introduction of wing and shutter set design e.

What is Nuclear Fusion?

What type of waves move energy forward, but the source makes up and down

Why do helium balloons float? Talk about density of atoms and compare to elements in the air.

Identify and describe the metal in table salt

150kg object takes 1.5minutes to travel 2,500 meter straight path it begins the trip traveling 120m/s and decelerates to a velocity of 20m/s whats its acceleration

Which statement is true about the solar system