Determine the speed of the first ball after the collision
A 3-kg ball moving at 11 m/s collides elastically and head-on with a second 20-kg ball moving in the opposite direction with -11 m/s. What is the speed of the first ball after the collision? Give your answer in m/s to three significant figures.
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What is the final equilibrium temperature when 30.0 grams of ice at 0°C is mixed with 4.00 grams of steam at 120°C?
Vandelay Industries has 125,000 shares of common stock outstanding at a price of $43 a share. They also have 25,000 shares of preferred stock outstanding at a price of $55 a share.
The preferred stock of CISO, Inc., pays an annual dividend of $6.50 a share and sells for $48 a share. What is CISO's cost of preferred stock?
A father racing his son has half the kinetic energy of the son, who has half the mass of the father. The father speeds up by 3.0 m/s and then has the same kinetic energy as the son. (a) What is the original speed of the father?
Grace Company has paid increasing dividends of $0.54, $0.58, $0.62, $0.67, and $0.72 a share over the past five years, respectively. The firm estimates that future increases in their dividends will be comparable to the arithmetic average growth ra
Hartford Enterprises just paid an annual dividend of $1.56 per share. This dividend is expected to increase by 3% annually. Currently, the firm has a beta of 1.13 and a stock price of $28 a share.
Keyser Mining is considering a project that will require the purchase of $980,000 in new equipment. The equipment will be depreciated straight-line to a zero book value over the 7-year life of the project.
You are considering a 25-year, $1,000 par value bond. Its coupon rate is 9%, and interest is paid semiannually. If you require an "effective" annual interest rate (not a nominal rate) of 12%, how much should you be willing to pay for the bond?
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