Friday

January 30, 2015

January 30, 2015

Posted by **Rebekah** on Tuesday, May 7, 2013 at 7:01am.

a) Find parametric equations that model the motion of the ball as a function of time.

b) How long is the ball in the air?

c) When is the ball at its maximum height? Determine the maximum height of the ball.

Thanks

- Pre Calc -
**Steve**, Tuesday, May 7, 2013 at 9:52amx(t) = 0

y(t) = 5 + 40t - 16t^2

Now just solve for t when y=0

Find the vertex of the parabola.

**Answer this Question**

**Related Questions**

Pre calc - Alice throws a ball straight up with an initial speed of 40 feet per ...

trig - Bob throws a ball straight up with an initial speed of 50 feet per second...

math - Let’s suppose you throw a ball straight up with an initial speed of 50 ...

calculus - A baseball pitcher throws a baseball with an initial velocity of 133 ...

Pre-Calculus - Jake serves a volleyball with an initial velocity of 32 feet per ...

Pre-Calc - The height s of a ball, in feet, thrown with an initial velocity of ...

Pre-Calculus - Phil Dawson is a professional place kicker for the Cleveland ...

Pre-Calculus - Phil Dawson is a professional place kicker for the Cleveland ...

pre-calc - Physics: a ball is thrown vertically upward with an initial velocity ...

pre-cal - Find the height of a ball after 3 seconds, if the ball is hit with an ...