Sunday
May 19, 2013

Posts by steven


Total # Posts: 304

Chemistry
What acid and what strong base would react in aqueous solution to produce the following salts in the formula equation? Write the balanced formula equation for each reaction. a) potassium perchlorate b) cesium nitrate c) calcium iodide I don't need just the answers, I'm...

calculus 2
what is the polar area between r=5sinx and r=5cosx

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)?

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.

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