Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


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
remaining cards
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:
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

Yr 10 Physics Ch 8.1

Distance a measurement of the total path that an object travels – includes twists and turns – does not include a specified direction.
Displacement a straight line measurement of the distance separating and object from where it started to where it finished – includes a specified direction.
Scalar quantity a quantity such as distance or time that has size but not a direction.
Vector quantity a quantity, such as displacement or velocity that has both size and direction.
Reaction time the length of time it takes a driver to respond to a hazard/emergency
Reaction distance the distance moved while reacting to a hazard/emergency
Speed the rate of change of distance (scalar)
Velocity the rate of change of displacement (vector)
Instantaneous speed the speed of an object at a particular time.
Error the difference between the value that is measured and the actual measurement.
Precision how close the measure values are to each other.
Random error error that changes unpredictably.
Systematic error error that always differs by the same amount.
Created by: camwust