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Physics - Chapter 2
| Question | Answer |
|---|---|
| Even though we are not moving __________ to the chair we are sitting in, we are actually moving as fast as the earth through space. | relative |
| _____ is the measure of how fast something is moving. | Speed |
| _____ is the measure of how fast something is moving and in which direction. | velocity |
| To find speed, you divide this by time. | distance |
| _____ is the speed at any given moment in time. | instantaneous speed |
| ________ is calculated by dividing the total distance divided by the time it took to travel it. | average speed |
| Velocity is changing if the speed is changing or ____ is changing | direction |
| The rate at which velocity is changing is called what? | acceleration |
| To find this you divide distance by velocity. | time |
| What is the relationship between acceleration and time? | indirectly proportional |
| What is the relation ship between speed and distance? | directly proportional |
| An object is in _____ when there is no air resistance and gravity is the only thing acting on a falling object. | freefall |
| You calculate ____ by dividing velocity by time. | acceleration |
| The ___________ is 9.81 m/s2. | acceleration due to gravity |
| You can find this by multiplying acceleration by time. | velocity |
| A ___ quantity has both magnitude and direction | vector |
| a ____ quantity has only magnitude. | scalar |
| The speedometer in a car tells you the ___ of the vehicle. | instantaneous speed |
| ______ is responsible for the different accelerations of a feather and a coin when dropped | air resistance |
Created by:
abolvin
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