Friday
December 13, 2013

Posts by greg

Total # Posts: 387

Algebra 2
What is the first term of a geometric series with a summation of 800, 4 terms and a common ratio of 3?

Algebra 2
What is the first term of a geometric series with a summation of 800, 4 terms and a common ratio of 3?

government
idk what this stuff is im doing it on germany

government
Using the Internet, encyclopedia, and/other reference material for research, write a 1,000-word report on feudalism in the history in one of the following countries: •France •England •Germany Include the approximate years when feudalism began and ended in that c...

physics
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C−1). At room temperature (20.0°C), the frames have circular lens holes 2.27 cm in radius. To what temperature must the frames be heated if lenses 2.28 cm in radiu...

physics
A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the syringe has a cross-sectional area of 2.44 10-5 m2. In the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force vector F of magnitude 1.91 N is exert...

physics
For safety in climbing, a mountaineer uses a nylon rope that is 65 m long and 1.1 cm in diameter. When supporting a 94-kg climber, the rope elongates 1.4 m. Find its Young's modulus.

physical aspects of nature
A 1,440-N crate is being pushed across a level floor at a constant speed by a force of 250 N at an angle of 20.0° below the horizontal; (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 250-N force is instead pulling the block at a...

Math
A swimming pool is 40 feet long, 20 feet wide, 8 feet deep at the deep end, and 3 feet deep at the shallow end; the bottom is rectangular. If the pool is filled by pumping water into it at the rate of 40 cubic feet per minute, how fast is the water level rising when it is 3 fe...

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