Motion in Two Dimensions
About this set
Created by:
kwolfenden24 on May 22, 2012
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Description:
These questions cover chapter 3, which is pages 79-103.
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16 terms
English | Math / Symbols |
|---|---|
 vector | a quantity that has botth magnitude and direction |
| scalar | a quantity that has magnitude, but no direction |
| resultant | the sum of two or more vectors |
| Pythagorean theorem | a² + b² = c² |
| θ | angle |
| tangent | opposite/adjacent |
| sine | opposite/hypotenuse |
| cosine | adjacent/hypotenuse |
| x and y | the two components of a vector |
| to find the x component of velocity | use v*cos θ |
| to find the y component of velocity | use v*sin θ |
| projectile | a thrown or launched object that is given an initial horizontal velocity and is then in freefall |
| path of projectile | parabolic |
| regardless of initial horizontal velocity | all projectiles fall at the same rate |
| horizontal | type of projectile launch that initially has only horizontal velocity |
| angled | type of projectile launch that has both horizontal and vertical initial velocity |
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