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PHYS 261 - Lab Quiz 2 questions with complete solutions

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Institution: West Coast University
Module: WCU PHYS 261

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Uploaded on: November 25, 2025
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phys 261 lab quiz 2 questions with complete solu

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PHYS 261 - Lab Quiz 2 questions with
complete solutions

What is potential energy? - correct answer ✔✔ stored energy

What is kinetic energy? - correct answer ✔✔ energy of molecules in motion

What are 2 characteristics of molecular motion? - correct answer ✔✔ 1. random

2. erratic

What type of energy does molecular motion reflect? - correct answer ✔✔ kinetic energy

How is speed of molecular motion effected by temperature? - correct answer ✔✔ higher speed
= faster

What is velocity? - correct answer ✔✔ Speed in a given direction

What is a concentration gradient? - correct answer ✔✔ difference in the concentration of a
substance from one location to another

Where do molecules want to move? - correct answer ✔✔ with the gradient (potential energy)

What is diffusion? - correct answer ✔✔ The movement of particles from an area of high
concentration to an area of low concentration.

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