Friday
December 13, 2013

Posts by Alyssa

Total # Posts: 523

Pre Calc
how much money should i invest at 8.2% compounded continuously if i wish to have \$100,000 in 5 years?

physics
The planetMars requires 2.35 years to orbit the sun, which has a mass of 2 × 1030 kg, in an almost circular trajectory. Find the radius of the orbit of Mars as it circles the sun. The gravitational constant is 6.672 × 10−11 N · m2/kg2 . Answer in units...

fractions from least to greatest
1/6 4/24 16/96

Chemistry
H2P4: PHOTON EMISSION An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.

physics
A wagon is pulled by a handle making an upward angle of 25° with a force of 25 N. What is the horizontal force pulling the wagon foward? What is the force lifting the wagon off the road?

physics
A 0.104 kg rock is attached to a 1.92 m long string and swung in a horizontal circle at a speed of 29.7 m/s. Find the tension in the string. Neglect the effect of gravity.

physics
A wagon is pulled by a handle making an upward angle of 25° with a force of 25 N. What is the horizontal force pulling the wagon foward? What is the force lifting the wagon off the road?

Physics
A student pushes stright along the handles of a mower with a force of 200 N. The handles make a angle of 20°, with respect to the horizontal. The frictional force for the 25 kg mower is 100 N. What is the normal force on the mower, and what is the acceleration of the mower?

Thermodynamics
Design Problem- A steam boiler may be thought of as a heat exchanger. The combustion gases may be modeled as a streram of air because their thermodynamic properties are close to those of air. Using this model, consider a boiler that is to convert saturated liquid water at 500 ...

Thermodynamics
Design Problem- A steam boiler may be thought of as a heat exchanger. The combustion gases may be modeled as a streram of air because their thermodynamic properties are close to those of air. Using this model, consider a boiler that is to convert saturated liquid water at 500 ...

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