Monday
December 9, 2013

# Posts by steven

Total # Posts: 364

calculus
A metal chain weighs 30 lbs and is 10 feet long. How much work is required to lift one end of the chain to a height of 15 feet (so that the other end of the chain will be at a height of 5 feet)?

psychology
Suppose that you are dropping off at a large mall without money and merely wander around looking at stores and displays. Later, someone asks you were a particular store is located in the mall. The fact that you direct the person to the store indicates that ______________ has o...

Math
You are bending a wire to make a coat hanger. The length of the wire is 88 centimeters, and 20 centimeters are needed to make a hook hanger. The triangular portion of the hanger is an isosceles triangle. The length of one leg of this triangle is 3/5 the length of the base. Ske...

Physics
The wind exerts a force of 284 N North on a sailboat, while the water exerts a force of 132 N West on the sailboat. What is the magnitude of the net external force on the sailboat? Answer in units of N

Physics
The two cubes in the drawing are made from the same material. The radiant energy per second emitted by the small cube is 3.70 J/s. What is the energy emitted per second by the larger one?

physics
A car accelerates from rest at a constant rate of 2.2 m/s2 for 6.9 s. How far does the car travel in this time?

Physics
Well if you multiply the static and the kinetic friction and add gravity to it you get the minimum magnitude. PhD in Physics

chemm
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.

chemistry
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.

Organic Chemistry
What are the theoretical moles and grams obtainable when 53.9g of ethanol is dehydrated?

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