Friday

April 18, 2014

April 18, 2014

Total # Posts: 27

**Physics**

A 6 uF capacitor is initially charged to 100V and then connected across a 600 ohm resistor. a) what is the initial charge on the capacitor?

**Science**

A radioactive substance is found to register 1000 counts per second on a Geiger counter. Twenty-four hours later it registers 125 counts per second. What is its half-life?

**Science**

If a 20 gram sample of a radioactive substance has a half-life of 6000 years, how many grams would be present after 18000 years?

**Physics**

An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.

**math**

if you are playing a game to toss a ball in a basket through a target what is the probability that you will win?

**Physics**

the input and output of hydraulic jack are respectively 1 cm and 4 cm in diameter. A lever with a mechanical advantage of 6 is used to apply force to the input piston. How much mass can the jack lift if a force of 180 N is applied to the lever and efficiency is 80%

**computer literacy**

what is an application program included with Windows that allows the contents of the computer, the hierarchy of folders on the computer, and the files and folders in each folder to be viewed?

**physics**

two uniform cylinders have different masses and different rotational inertias.they simultaneously start from rest at top of an inclined plane and rool without sliding down the plane.the cylinder that gets to the bottom first is?

**physics**

for a body to be in equillibrium under the combined action of several forces

**physics**

for an object in equillibrium the net torque acting on it vanishes only if each torque is calculated about?

**physics**

the conditions that the net force and the net torque both vanish?

**geometry**

each leg of an octagon is 48" what is the diameter?

**Social Studies**

What group of people did the black plague benefit in england and the surrounding aread?

**math**

What is $1500 with 7% of tax?

**math **

yep got it now--6395

**math **

4 digit number. numeral in tens place 3 times the numeral in hundreds place. numeral in my ones place is 2 more than numeral in hundreds place. numeral in thousands place is 3 less than number in tens place. number in hundreds place is 3. what is number?

**math **

other clues are tens digit is 1 less than thousands and tens digit is 2 more than ones

**US hISTORY**

What did Washington do with his slaves at the end of his presidency?

**Science**

Wow, That Lawrence guy needs to keep his day job! Haha. Thanks for your help.

**Science**

Sweet, I hope I get an A+!!

**Science**

Why is it that milk sours so fast. I had googled it and false imformation has came up. I have to write a 3 page essay about how certain things sour too quickly.

**Social Studies**

I've seen the the nationalgeographic one. Yes, I know that no one knows. It's just that i came to this site to find out that he didn't kill himself. My teacher got into an argument with my S.S. teacher. They were practically yelling. Thank you for your help.

**Prayer Request**

please pray for owen and daralyn to get back together as a family and have a,good life together. and to be in love always,

**Prayer Request**

That dee and owen can be together again as a famliy and live a good life.

**math riddle ALGEBRA WITH PIZZAZZ**

what is green and makes holes a drill pickle

**Human Biology**

How can you identify a desert animal from an aquatic one by looking at the kidneys. I meant to put a question at the end. Morphological study of the desert heteromyid kidney with emphasis on the genus Perognathus. * Altschuler EM, * Nagle RB, * Braun EJ, * Lindstedt SL, * Krut...

**the big idea of energy**

what is it? I'm baffled. I am doing it have to include in my essay on the digestive system!!

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