Wednesday
June 19, 2013

# Posts by Phill

Total # Posts: 10

pre-calculus
equation for parabola with focus (8,-2) directrix x=4

English
essy in mockingbird how Caitlin over Family struggle abput 700 word see example of different essay

physics
Measuring in foot pounds of toque what pressure can the world’s strongest man exert by pulling on an object?

Chemistry
Calculate the pH at the following points during the titration of 100.0ml of 0.20 M acetic acid (ka for acetic acid=1.8*10^-5) with 0.10 M sodium hydroxide. 1. Before addition of any base 2. after addition of 30.0 mL of base

physics
Your younger brother and you are putting up christmas lights, he broke one of the bulbs causing all of the lights to go out. These lights are wired in what?

physics
A coin rests 15 cm away from the center of a turntable. The turntable starts to rotate at an angular acceleration of .8 rad/s^2 and after 7 seconds it slides off. What is the coefficient of static friction between the coin and the surface? Just give me step by step on how to s...

physics
A certain FM radio station broadcasts jazz music at a frequency of 90.7 MHz. (Radio waves are electromagnetic)? Find the waves period? I got 1.1*10^-8 and it is not right.

Urgent Physics!
A top starting from rest is spun for 3 seconds achieving an angular speed of 20 rad/s. How many radians has it gone through in this time? (a is constant)