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arlik [135]
3 years ago
12

A flying squid (family Ommastrephidae) is able to "jump" off the surface of the sea by taking water into its body cavity and the

n ejecting the water vertically downward. A 0.70 kg squid is able to eject 0.26 kg of water with a speed of 20 m/s.(a) What will be the speed of the squid immediately after ejecting the water? (b) How high in the air will the squid rise?
Business
1 answer:
Zielflug [23.3K]3 years ago
4 0

Answer: V=7.43m/s

d =2.82m

Explanation:

a) For the first part, the initial velocity immediately after ejection, by using momentum conservation

before ejection, the momentum of the squid/water system is zero

there are no external forces acting on the system at the moment of ejection, so we can find the speed of the squid by noting

momentum before ejection = momentum after ejection

0 = M1U + M2V

0=-0.26 kg x 20 m/s + 0.7kg x V

where the speed of the water is taken as the negative sign, and V is the speed of the squid right after ejection, solving for V we get

V=7.43m/s

B. we use the equation vf^²=v0^²+2ad

where vf=final velocity = 0 since velocity is zero at motion's apex

v0=initial velocity = 7.43m/s

a = acceleration = -9.8m/s/s

d=height (to be found)

Therefore,

0=7.43^²+2(-9.8)d

Mathematically, it becomes

d=7.43^²/2(9.8)= 2.82m

d = 2.82m

You might be interested in
A company rents a building with a total of 50,000 square feet, which are evenly divided between two floors. The company allocate
shtirl [24]

Answer:

$8,000

Explanation:

The computation of the monthly rental expense allocated is shown below:

Rent allocated to 1st floor:

= $30,000 × 2 ÷ 3

= $20,000

There is 50,000 square feet i.e. equally divided between first floor and second floor. so 25,000 square feet for each floor.

Now  

Rent allocated to 10,000 square feet:

= ($20,000 ÷ 25,000) × 10,000

= $8,000

8 0
3 years ago
Jim had a beginning inventory of $5,500. During the month of April, he purchased $4,000 of food and had an ending inventory of $
Likurg_2 [28]

Answer:

1.23

Explanation:

Inventory turnover is a ratio showing how many times a company has sold and replaced inventory during a given period.

Cost of Sales=Opening Inventory+Purchases-Closing Inventory

                      =5,500+4,000-3,800= 5,700

Average Inventory= Opening + Closing/2

                              = 5,500+3,800/2= 4,650

Inventory Turnover Ratio= <u>Cost of Sales</u>

                                            Avg Inventory

                                          = 5,700/4,650=1.23

8 0
3 years ago
True or False: With the export subsidy, domestic producers will sell steel to domestic consumers and sell the rest abroad.
Bess [88]

The answer to the question of whether the export subsidy would make domestic producers sell steel to domestic consumers and sell the rest abroad is:

  • False because the domestic producers would not want to sell at a lesser price than what they would have sold abroad.

<h3>What is Export Subsidy?</h3>

This refers to the government policy which is meant to discourage export of goods with the aim of regulating the economy which usually leads to the increase in the amount of customer surplus in the market.

With this in mind, we can see that the export subsidy has to do with the increase in domestic price whereby there is a higher cost for exports for producers.

Read more about export subsidy here:
brainly.com/question/7193712

4 0
2 years ago
Maloney's, Inc. has found that its cost of common equity capital is 17 percent and its cost of debt capital is 6 percent. The fi
Gwar [14]

Answer:

11.64%

Explanation:

The formula to compute WACC is shown below:

= Weightage of debt × cost of debt × ( 1- tax rate)  + (Weightage of  common stock) × (cost of common stock)

where,  

Weighted of debt = Debt ÷ total firm

The total firm includes debt, preferred stock, and the equity which equals to

= $3,000,000 + $2,000,000 = $5,000,000

So, Weighted of debt = ($2,000,000 ÷ $5,000,000) = 0.40

And, the weighted of common stock = (Common stock ÷ total firm)

                                                              = $3,000,000 ÷ $5,000,0000

                                                              = 0.60              

Now put these values to the above formula  

So, the value would equal to

= (0.40 × 6%) × ( 1 - 40%) +  (0.60 × 17%)

= 1.44% + 10.2%

= 11.64%

8 0
3 years ago
Exxon has the following capital structure: the firm issued 6 million shares of common stock with the stock price in c), the firm
lesantik [10]

Answer: some data is missing but I was able to find it online and that helped me resolve the problem .

answer : WACC =  15.76%

Explanation:

Given that the common stock price = $9 ( as seen in option C not attached above )

value of common stock = $9 * 6 * 10^6 = $54,000,000

cost of common equity = 10.93%

current preferred stock price = $6

value of preferred stock = $6 * 1,500,000 = $9,000,000

hence the cost of the preferred equity = $4.5 / $6 = 0.75 = 75%

interest rate of debts = 6.5%

value of debit = $25,000,000

Corporate tax rate = 25%

∴ The cost of the debit after tax = 6.5% * ( 1 - 25)% = 4.88%

The Total value = value of common stock + value of preferred stock + value of debit

 = 54,000,000 + 9,000,000 + 25,000,00 = $88,000,000

<u>Finally the weighted average cost of capital ( WACC )</u>

[weight of debt * cost of debt after tax ] + [ weight of common equity * cost of common equity ] + [weight of preferred * cost of preferred ]

= [ (25/88) * 4.875 ] + [(54/88) * 10.933] + [ (9/88) * 75 ]

= 15.76%

3 0
3 years ago
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