Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Physics - Chapter 2

QuestionAnswer
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