This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Math Learning Center Boise State ©2010 Quadratic Modeling STEM 10 Today we are going to put together an understanding of the two physics equations we have been using. • Distance: g G g ¡ ¢ £ ¡ ¤ ¢ ¥ ¦ §¤ ¦ • height : ¨ G ¨ ¡ ¢ £ ¡ ¤ ¢ ¥ ¦ ©¤ ¦ • Recall the variables: o § G acceleration o © G gravitation force (be careful of direction) o ¨ G height at time t o ¨ ¡ G height at time 0 o ¤ G time o g G position at time t o g ¡ G position at time 0 First let’s consider that a baseball player throws the ball straight up into the air at a velocity of 30 m/s. The initial height off the ground where the ball leaves the hand is 2 m. And recall that gravitational acceleration is given as 9.8 m/s 2 . Write the equation (be careful, gravity is 9.8 m/s 2 but this is in the downward direction: in the equation is this positive 9.8 or negative 9.8) Use the tchart to fill in some values to assist in graphing the equation. Recall: Typically in physics distances are measured in meters per second. Below is the conversion from miles per hour 1 meter per second = 2.23693629 miles per hour Thus 30 m/s is just under 70mph. ¤ ¨ 0 1 2 3 4 5 h t Math Learning Center Boise State ©2010 Discussion: Discuss what is happening in this problem and include where the ball hits the ground. So where did the ball hit the ground?...
View
Full Document
 Fall '11
 STAFF
 Math, Algebra, Equations, Velocity, Quadratic equation, Elementary algebra, Math Learning Center

Click to edit the document details