Saturday
May 25, 2013

# Posts by Jordan

Total # Posts: 689

math (Calculus)
A circular pulley with a radius of 10 cm is turning at 12 revolutions per minute. How fast is a point on the edge of the pulley rising when it is 5 cm higher than the center of the pulley?

help ss !!!!!!!!!!!!!!!
I believe 1 is b and 2 is b as well

The Control is something you kept the same. There is not enough information for me to say what exactly what it is. For example, if you used the same wheel bearings the entire time that would be the control.

calculus
A spherical balloon is leaking air at 2 cubic inches per hour. How fast is the balloon's radius changing when the radius is 2 inches.

math (Caluclas)
Oh okay. I understand that, i was just not understand where the 9 came from, but i see now. Thank you both

math (Caluclas)
Sorry about that Reiny. I have a quick question though, where does the 9 come from?

math (Caluclas)
A spherical ballon is leaking air at 2 cubic inches per hour.l How fast is the ballons radisu chancing when the radisu si 3 inches.

Nope, Because 23 * 3 = 69 and Mr Brooks has only 66 acorns