# Posts by Herb

Total # Posts: 13

physics
Jane and John, with masses of 50kg and 68kg , respectively, stand on a frictionless surface 13m apart. John pulls on a rope that connects him to Jane, giving Jane an acceleration of 0.86m/s2 toward him. What is the magnitude of the John's acceleration? If the pulling force...

Math
how much is 1.1% of 30000

Math
What is the rate of change of the volume of a ball (V=(4/3)pi r^3) with respect to the radius when the radius is r=2?

Finance
The Evanec Company’s next expected dividend, D_1, is \$3.18; its growth rate is 6%; and its common stock now sells for \$36.00. New stock (external equity) can be sold to net \$32.40 per share. What is Evanec’s cost of retained earnings, r_s? What is Evanec’s ...

physics: roller coasters
what is a collaide loop? what is the difference between a collaide loop and a round loop??

algebra 117
can you explain I am having hard time understanding this. yes it when the crosses over x-axis. Not good a graphing

algebra 117
If you are looking at a graph of a quadratic equation, how do you determine where the solutions are?

algebra
a. Suppose a market research company finds that at a price of p = \$20, they would sell x = 42 tiles each month. If they lower the price to p = \$10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find the equation of ...

Philosophy/Social Ethics
Any guidance as to where find answers to the following questions or any related ones would be super. Would a market for procuring organs lead to commodification of the human body? What do we do when there are not enough organs to meet demand? Do people who accept organ ...

Business
What is the net present value (NPV) of this replacement project? The old equipment has a book value of \$200,000 (year 0) and a current salvage value of \$300,000 (year 0). It is being depreciated on a straight-line basis. It has four more years of depreciation left (\$50,000 in ...

Finance
What's the net present value (NPV) of this replacement project? The old equipment has a book value of \$200,000 (year 0) and a current salvage value of \$300,000 (year 0). It is being depreciated on a straight-line basis. It has four more years of depreciation left (\$50,000 ...

Math
I got the same answer. My teacher sais its wrong

Math
The scale 1 in.:120ft was used to create a 169.3-inch tall model of Alaska's Mount McKinley. Estimate the height of Mount McKinley from the height of the model.