Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
sin ø
|
leg opposite ø / hypotenuse
|
|
|
cos ø
|
leg adjacent to ø/ hypotenuse
|
|
|
tan ø
|
leg opposite ø/ leg adjacent to ø
|
|
|
soh-cah-toa
|
sin- opposite/hypotenuse
cos- adjacent/hypotenuse tan - opposite/ adjacent |
|
|
pythagorean theorum
|
(hypotenuse)^2= (leg a)^2 + (leg b)^2
|
|
|
scalar quantity
|
represented by a number and a unit (e.g., temperature, pressure, energy,
etc.). |
|
|
vector quantity
|
represented by a number and a unit along with a direction (e.g., above)
|
|
|
coordinate system
|
a line.
essential features: -origin -positive end -negative end |
|
|
position of an object
|
determined relative to the coordinate system
|
|
|
displacement
|
change in position of an object.
> may be + or -. the sign indicates the direction of displacement > dX= Xfinal- Xinitial |
|
|
distance
|
> always a positive quantity
> contains no information about the initial or final position of an object. |
|
|
average velocity
|
vector defined to be the change in
position of an object divide by the elapsed time for themotion. |
|
|
average speed
|
total distance traveled divided by the elapsed time.
|
|
|
distance
|
> always a positive quantity
> contains no information about the initial or final position of an object. |
|
|
average velocity
|
vector defined to be the change in
position of an object divide by the elapsed time for themotion. |
|
|
average speed
|
total distance traveled divided by the elapsed time.
|
|
|
distance
|
> always a positive quantity
> contains no information about the initial or final position of an object. |
|
|
average velocity
|
> vector defined to be the change in
position of an object divide by the elapsed time for the motion. > can be positive or negative |
|
|
average speed
|
> total distance/ total time
> can only be positive |
|
|
Vox
|
Vo(cosø)
|
|
|
Voy
|
Vo(sinø)
|
