3) WHAT HAPPENS W THE BODY WHEN YOU'RE STUDYING FOR A MATH TEST? YOU'RE READING THE PROBLEMS WRITING THE
| ANSWERS, GETTING UP TO STRETCH, AND TALKING TO A
FRIEND ON THE PHONE. HOW ARE THE BODY SYSTEMS WORKING
TOGETHER TO COMPLETE THESE TASKS?

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.

Which is not true of alpha radiation? o a. it increases the number of protons. o b. it has a positive charge. o c. it causes transmutation. o d. it is heaviest of the three types

Freya has a mass of 14kg she is running at 1.1m/s to the left when she runs into eric, who is standing still. eric has a mass of 18kg. after the collision, they continue moving together. what is their velocity after the collision. a. 0.48 m/s to the leftb. 2.5 m/s to the leftc. 0.86 m/s to the leftd. 1.4 m/s to the left