# 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.