One nucleus contains 31 protons
and 40 neutrons. another nucleus contains
31 protons and 41 neutrons. what can you
conclude about the identity of these nuclei?

Abird sitting high in a tree is an example of what type of wnergy

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?