What must a magnet always have?

O A. Two like charges

OB. Two opposite poles

O c. Two opposite charges

OD. Two like poles

The chemical symbol H represents which of the following elements?

Shania is trying to determine the oldest geologic unit on this map. Why is she unable to do so? There are only three units. There is no key on the map. The text on the map is too small. The units are all the same age.

Rasheed accidentally bumped his leg on a desk what is the first thing that happened to Rasheed's nervous system

A car initially moving at 35 km/h along a straight highway. To pass another car, it speeds up to 135 km/h in 10.5 seconds at a constant acceleration. How large was the acceleration in m/s^2? How large was the acceleration in units of g = 9.80 m/s^2

The red shift of visible light waves that is observed by astronomers on Earth is used to determine the

What characteristic of a planet determines the acceleration due to gravity on it?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, position velocity, height height, velocity

You are operating a powerboat at night. You see green and white lights on another boat. What should you do?

How does Newton's second law apply to an "Egg Drop" experiment?

A 4.0-n puck is traveling at 3.0 m/s. it strikes an 8.0-n puck, which is stationary. the two pucks stick together. their common final speed is: