Sunday

February 7, 2016
Total # Posts: 15

**Physics**

A freight train has a mass of 1.3 x10^7 kg. if the locomotive can exert a constant pull of 5.4x10^5 N, how long would it take to increase the speed of the train from rest to 71 km/h? Disregard friction. Answer in units of s.
*September 28, 2014*

**Find the horizontal and oblique asymptotes**

Find the horizontal and oblique asymptotes, if any, for the given rational function G(x)=(x^4-1)/(3x^2-3x)
*April 29, 2013*

**Find the function**

Find the function that is finally graphed after the following transformations are applied to the graph of y=√x in the order listed. 1) Reflect about the x-axis 2) Shift up 7 units 3) Shift right 4 units
*April 22, 2013*

**For the function defined by...HELP**

For the function defined by f(x)=3x^2+5x+2, find the following values. (a) f(-4)= (b) f(-x)= (c) -f(x)= (d) f(x+h)=
*April 21, 2013*

**Algebra**

Write the function whose graph of y=(x+4)^2, but is reflected about the y axis. y=
*April 20, 2013*

**Use the rationals theorem**

Use the rationals theorem to find all the zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=2x^3-x^2+2x-1
*March 26, 2013*

**College algebra**

Use the rationals theorem to find all the zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=x^3-2x^2-13x-10 x=
*March 26, 2013*

**physics**

i understood what everything else stood for, i just didn't understand how to use the given equation, F=mv^2/r, when the problem did not specify a value for m. I tried to think of another way to solve for m using the givens, but i was unsuccessful.
*October 3, 2010*

**physics**

i'm not understanding the equation F=mv^2/r; what would be the m? gravity?
*October 3, 2010*

**physics**

How large must the coefficient of static friction be between the tires and the road if a car is to round a level curve of radius 89 at a speed of 93 ?
*October 3, 2010*

**Physics**

oops sorry, 33 rpm and 17 cm
*October 3, 2010*

**Physics**

A coin is placed 17.0 from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 33 is reached and the coin slides off.What is the coefficient of static friction between ...
*October 3, 2010*

**math**

what is a quadrangle with two pairs of parrallel sides all angles are right i am not a square what am i
*September 9, 2010*

**physics**

PE=1/2kx 8.1x10^4
*January 8, 2008*

**Fractionsss**

Thirty-five slices of chocolate cake were sold at the bake sale. If each slice was a tenth of a sake, how many cakes were sold? By dividing each cake into 10 pieces (1/10), you'd need three and a half cakes to get 35 slices.
*May 15, 2007*

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