Friday
December 13, 2013

# Posts by Caitlin

Total # Posts: 251

science

science
A soccer ball is kicked with an initial speed of 8.4 m/s in a direction 22.0° above the horizontal.Find the magnitude and direction of its velocity at the following times. (Take the +x axis to be parallel to the ground, in the direction that the ball is kicked.)0.250 s aft...

physics
Two strings are adjusted to vibrate at exactly 224 Hz. Then the tension in one string is increased slightly. Afterward, three beats per second are heard when the strings vibrate at the same time. What is the new frequency of the string that was tightened? (in Hz)

Calc
The arc of the parabola y=x^2 from (1,1) to (2,4) is rotated about the y-axis. Find the area of the resulting surface.

calculus
The base of a solid consists of the region bounded by the parabola y=rootx, the line x=1 and the x-axis. Each cross section perpendicular to the base and the x-axis is a square. Find the volume of the solid.

Calc
Are you sure about the 4w (324/w^2)? Shouldn't it be 8w (324/w^2), since you are multiplying the four sides by the cost of \$2 per square foot?

Calc
A closed box with a square base is to be constructed so that its volume is 324 cubed feet. The material for the top and bottom cost is \$3 per square foot, and that for the sides \$2 per square foot. Find the dimensions of the box so that the cost will be minimum.

Math 10
A cylinder has a surface area of 250cm2. The height is twice as big as the radius. What is the height of the cylinder?

Finance
The Isberg Company just paid a dividend of \$0.75 per share, and that dividend is expected to grow at a constant rate of 5.50% per year in the future. The company's beta is 1.25, the market risk premium is 5.00%, and the risk-free rate is 4.00%. What is the company's cu...

Finance
Scanlon Inc.'s CFO hired you as a consultant to help her estimate the cost of capital. You have been provided with the following data: rRF = 4.10%; RPM = 5.25%; and b = 1.15. Based on the CAPM approach, what is the cost of equity from retained earnings? Several years ago t...

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