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Allushta [10]
3 years ago
11

What is cd how is it work ?​

Business
1 answer:
LuckyWell [14K]3 years ago
7 0
The CD drive shines a laser at the surface of the CD and can detect the reflective areas and the bumps by the amount of laser light they reflect. The drive converts the reflections into 1s and 0s to read digital data from the disc. See How CDs Work for more information.
You might be interested in
A report indicated that the average real wage in manufacturing declined by 2 percent between 1990 and 2000. If the CPI equaled 1
inn [45]

Answer:

W = $27.34

Explanation:

Given data:

Percentage Decline in average income is = 2%

CPI in 1990 1.30

CPI in 2000 is 1.69

Average nominal wage is 2000 is $35

Inflation rate is given as

Inflation rate = % Change in CPI

                    = (1.69 / 1.3) - 1

                    = 1.3 - 1 = 0.3 = 30%

Real wage = Nominal wage / Price level,  hence

Percentage change in real wage = % Change in (nominal wage - inflation rate)

-2% = % Change in nominal wage - 30%

% Change in nominal wage = 28%

let nominal wage in 1990 is w

W\times 1.28% = $35

solving for W = $27.34

8 0
3 years ago
Rick's Internet Corporation's balance in Retained Earnings is $30,000. The board of directors directs that $15,000 be appropriat
gtnhenbr [62]

<u>Answer</u> is D. remain at $30,000.

<u>Explanation:</u>

Rick's Internet Corporation balance in retained earnings = $30,000

Appropriated earning for future business expansion = $15,000

This appropriated earning set for future use will have no effect on the total retained earnings, because for appropriate retained earnings,  the entry is to debit the retained earnings account.

Also, it would be board's decision if they want to use the money from the retained earnings or add more capital to it.

6 0
3 years ago
The Dougherty Furniture Company manufactures tables. In March, the two production departments had budgeted allocation bases of 4
Bezzdna [24]

Answer:

a. Manufacturing overhead rate - Department 100 = $57,500 / 4,000 hours = $14.375 per machine hours

Manufacturing overhead rate - Department 200 = $62,500/8,000 hours = $7.8125 per machine hours

b.  Journal Entries

S/N    Account Titles                         Debit           Credit

1       Inventory - Raw material          $110,000

             Account Payable                                     $110,000

2    Work in process                            $32,500

     Manufacturing overhead              $7,500

             Inventory - Raw materials                         $40,000

3    Work in process                            $52,500

     Manufacturing overhead              $11,000

              Materials control                                       $63,500

4      Manufacturing overhead            $17,250

               Leasehold payable                                    $16,250

               Utilities payable                                          $1,000

5.     WIP Control (14,375*800)            $11,500

                Manufacturing overhead allocation         $11,500

c. Particulars                               Dep 100     Dep 200   Total

Direct materials                           $32,500     $13,500   $46,000

Direct labour                                $52,500     $13,500   $106,000

Manufacturing overhead             $35,750     $18,750   $54,500    

(11,000+7,500+16,250+1,000

+9,000+4,750+3,750+1,250)

Total Cost of Job A                     $120,750   $85,750    $206,500

7 0
3 years ago
Lily operates a gift shop and has a lot of inventory to manage. She counts inventory once every 4 weeks. Preparing and placing o
soldi70 [24.7K]

Answer:

12 weeks

Explanation:

The computation of the needs period is shown below":

= Number of weeks inventory counts once + number of order cycles takes + number of the week taken for arrive

= 4 weeks + 2 weeks + 6 weeks

= 12 weeks

We simply added the total number of weeks that is mentioned in the question so that the needs period could be computed

4 0
3 years ago
You are trying to find out how high you have to pitch a water balloon in order for it to burst when it hits the ground. You disco
lora16 [44]

Answer:

17.15 m/s

Explanation:

This is a case of free fall, so we can use the next equation:

v_{f}^2=v_{i}^2+2gh

where

v_{f} is the final velocity

v_{i} is the initial velocity (0 in this case)

g is the acceleration of gravity 9.8m/s^2

and h is the height at wich the ballon was pitched.

So we have:

v_{f}=\sqrt{v_{i}^2+2gh} =\sqrt{0^2+2(9.8m/s^2)(15m)} =\sqrt{294m^2/s^2} =17.15m/s

The final velocity, the velocity of the ballon when it hits the ground is 17.15m/s.

5 0
3 years ago
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