Friday
December 13, 2013

# Posts by Tom

Total # Posts: 979

Algebra
help me solve this equation by substitution. y^2− 4x^2 = 7 9y^2+16x^2 = 323

chemistry
ryeng i suppose? this is a very easy question 392.4*10-10= x cm xcm^3= ycm^3 ycm^3* 21.09= mass in grams since face centered unit cell has 4 atoms mass/4, then use the product of that to divide by 1.66*10^-24 = amu your result should be 191.84 amu

Chemistry
How do I change 3,3,4,4,5,5-hexamethyl-1-hexyne into it's molecular formula

physics
the coefficients of static and kinetic friction for stone on wood are, respectively, 0.5 and 0.4. if a 150 kg stone statue is pushed with just enough force to start moving across a wooden floor and the same force continues to act afterward. find the statue’s acceleration.

Calc 2
Use Taylor’s Estimate to bound the error of the n-th order Maclaurin approximation of sin(a), where a 2 [��; ].

home economics
a firm produces 20 units of output at a market price of #5, a marginal cost of \$5, and an average cost of \$3. what is the firms economic profit and is the firm maiximizing its economic profit. Is the formula market price-average cost x quantity 20?

physics
For a glass lens submerged in water (n=1.33), the critical angle of incidence at which total internal reflection begins to happen is 60.1 degrees. What is the index of refraction of the glass?

physics
A 67.5 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.090 m/s. How much work must be done to stop it?

physics
What force must be applied to push a carton weighing 350 N up a 19° incline, if the coefficient of kinetic friction is 0.45? Assume the force is applied parallel to the incline and the velocity is constant. (Enter the magnitude of the force.)

physics
What force must be applied to push a carton weighing 350 N up a 19° incline, if the coefficient of kinetic friction is 0.45? Assume the force is applied parallel to the incline and the velocity is constant. (Enter the magnitude of the force.)

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