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A car travels along a straight road at a constant speed of 20 meters per second. The car's brakes can decelerate it at a rate of 5 meters per second squared. If the car's driver sees an obstacle and applies the brakes, how far will the car travel before coming to a complete stop?

3. As astronauts consider how to better study Excalibur, they reflect on some of the probes they have used in our own solar system. They recall a probe that they released from a spacecraft onto the moon. The probe sends signals to a transmitter on the spacecraft. Assuming that the probe and transmitter are 10m apart and they have no initial charge, what negative charge must be transferred to the probe to create an attractive force between them of 200N? (Show your work) (5 points)

4. Using your knowledge of Newton's Universal Law of Gravitation and Coulomb's Law, compare and contrast them. How are they similar? How are they different? (5 points)

1. Financial ratio analysis is conducted by managers, equity investors, long-term creditors, and short-term creditors. What is the primary emphasis of each of these groups in evaluating ratios?
2. What is the advantage of using comparative statements for financial analysis rather than statements for a single date or period?
3. The current year’s amount of net income (after income tax) is 20% larger than that of the preceding year. Does this indicate an improved operating performance? Discuss.
4. How would you respond to a horizontal analysis that showed an expense increasing by over 80%?
5. How would the current and quick ratios of a service business compare?

1. The condensed income statements through income from operations for Dell Inc. and Apple Computer, Inc., are reproduced below for recent fiscal years (numbers in millions of dollars).

                                                                                             Apple

                                                                 Dell Inc.        Computer, Inc.

Sales (net)                                                     $57,420            $24,006

Cost of sales                                                   44,904               15,852

Gross profit                                                  $12,516               $8,154

Selling, general, and administrative expenses$ 5,948              $ 2,963

Research and development                                  498                    782

Operating expenses                                        $6,446               $3,745

Income from operations                                  $6,070               $4,409

Prepare comparative common-sized statements, rounding percents to one decimal place. Interpret the analyses.

1. The following data apply to Jacobus and Associates (millions of dollars):

Current liability                                   $100.00

Prepaid expense                                       20.00

Total assets                                         $283.50

Sales                                                 $1,000.00

Net income                                             $50.00

Quick ratio                                                 2.0

Current ratio                                              3.0

A/R Turn over                                      4 times

ROE                                                         12%

Capitalization ratio                                   30%

Jacobus has no preferred stock—only common equity

1. Find Jacobus’s (1) Average collection period, (2) current assets, (3) Inventory, (4) ROA, (4) common equity, and (5) long-term debt.