Questions Q1.
An earthquake causes a sea wave.
This sea wave travels 26 400 m in two minutes.
Calculate the speed of the wave.
Use the equation
wave sp

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

The particles that are found in the nucleus of an atom are