Saturday
May 25, 2013

# Posts by :)

Total # Posts: 121

Physics
A motorist traveling with a constant speed of 15m/s passes a school-crossing corner, where the speed limit is 10m/s. Just as the motorist passes, a police officer on a motorcycle at the corner starts off in pursuit with constant acceleration of 3m/s^2. (a)How much time elapses...

Physics
A motorist traveling with a constant speed of 15m/s passes a school-crossing corner, where the speed limit is 10m/s. Just as the motorist passes, a police officer on a motorcycle at the corner starts off in pursuit with constant acceleration of 3m/s^2. (a)How much time elapses...

Physics
Thank you. I got now the answer. :)

Physics
A jogger runs 145m. in a direction 20.0 degrees east of north (displacement of vector A) and then 105m. in a direction 35.0 degrees south of east (displacement of vector B). Using components, determine the magnitude and direction of the resultant vector C for these two displac...

math
(-(4 to the 6)) divided by (-(4 to the 3)) = 64

pre algebra help
Well what info do you have? You have the height and volume. What formula does those fit into? V = (1/3) (pi) (r^2) (h) AKA Volume = 1/3 pi r squared multiplied by height SO. Plug in your numbers, 92.4 = 1/3 (pi) (r^2) 10 Now you want diameter, so r x 2 works as well since radi...

pre algebra help
Well what info do you have? You have the height and volume. What formula does those fit into? V = (1/3) (pi) (r^2) (h) AKA Volume = 1/3 pi r squared multiplied by height SO. Plug in your numbers, 92.4 = 1/3 (pi) (r^2) 10 Now you want diameter, so r x 2 works as well since radi...

Introduction to Psychology
short-term memory loss. :D

Related rates
i'm sorry, this is about optimization problems.

Related rates
A piece of wire 10 feet long is cut into two pieces. One piece is bent into the shape of a circle and the other into the shape of the square. How should the wire be cut so that the combined area of the two figures is as small as possible?

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