Thursday
June 20, 2013

Posts by Brittney


Total # Posts: 176

Chemistry
What is the temperature of 0.45mol of gas at a pressure of 1.0at and a volume of 10.1L ? if anyone can tell me what i need to do to solve this problem it would be helpful

physics
The radius of a merry-go-round is 7 meters, and it takes 12 seconds to make a complete revolution. What is the speed of an atom on the outer rim?

Math
How do you solve a(x+1)= b solving for x

Math
How do you solve a(x+1)= b solving for x

biology
What is meant by the statement, "Living things do not exist in isolation"?

Chemistry
If your body develops a charge of -17 (microcoulombs), how many excess electrons has it acquired, and what is their collective mass?

Chemistry
It's 50mg. I really dont understand how to do this.

math
what is the gross profit percent on a item bought for 3.50 at wholesale price and then sold at 5.00 for retail price

frictionless ramp
Suppose a 19.3 kg curling stone was on a frictionless ramp. If the ramp is 4.76 m tall and 19.5 m long (along the incline), how much mass must hang from the pulley in order that the stone not accelerate up or down the ramp?

Physics Help
A force sensor is used to measure a force applied to a 9.1 kg box on a hard, horizontal surface. It records that the box starts to move when the force is equal to 26.9 N. This force makes the box start to move with an acceleration of 0.2 m/s2. Find mu sub s/k respectively.

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