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storchak [24]
3 years ago
6

PLEASE HELP! ASAP!!!!

Engineering
1 answer:
svet-max [94.6K]3 years ago
4 0
The answer should be B.

Prevailing winds are likely from the north.

Windward vs. leeward sides would create infiltration on one side and exfiltration on the other.

Should do a before and after on the same window under same conditions. Wind, ambient temperature, etc.
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The “Sun-Star” Company has purchased new office furniture for their offices at a retail price of $100,000. An additional $12,000 h
Zinaida [17]

Based on the cost of the furniture, the following are true:

  • a. $10,400.
  • b. $93,600
  • c. $20,800

<h3>Depreciation in second year</h3>

Depreciation per year = (Cost of furniture - Salvage value) / Useful life

Cost will include both the purchase price and the charge for insurance and shipping.

= (100,000 + 12,000 - 8,000) / 10

= $10,400

<h3>BV at end of first year</h3>

= Cost - Depreciation

= 104,000 - 10,400

= $93,600

<h3>BV after 8 years </h3>

= Cost - (Depreciation x 8 years )

= 104,000 - (10,400 x 8)

= $20,800

In conclusion, depreciation is $10,400 per year.

Find out more about SL depreciation at brainly.com/question/13734742.

4 0
3 years ago
Consider an open loop 1-degree-of-freedom mass-spring damper system. The system has mass 4.2 kg, and spring stiffness of 85.9 N/
Marat540 [252]

Answer:

Damping ratio  \zeta =0.0342

Explanation:

Given that

m=4.2 kg,K=85.9 N/m,C=1.3 N.s/m

We need to find damping ratio

We know that critical damping co-efficient

 C_c=2\sqrt {mk}

 C_c=2\sqrt {4.2\times 85.9}

 C_c=37.98 N.s/m

Damping ratio(\zeta) is the ratio of damping co-efficient to the critical damping co-efficient

So \zeta =\dfrac{C}{C_c}

\zeta =\dfrac{1.3}{37.98}

\zeta =0.0342

So damping ratio  \zeta =0.0342

 

3 0
4 years ago
30 points and brainiest if correct please help A, B, C, D
tatuchka [14]

Answer:

B. to lock the tape into place

Explanation:

the button on the front of the housing locks the tape into place when pressed, preventing the tape from being pulled out further it retracting

4 0
3 years ago
A 120-volt fluorescent ballast has an input current of 0.34 ampere and an input power rating of 22 watts. The power factor of th
melisa1 [442]

Answer:

PF= .54

Explanation:

Power Factor equals working/real power (W) over apparent power (VA). 1.0 PF is an efficient equipment. PF= 22/(120*.34)

4 0
3 years ago
What are some tasks commonly performed in Environmental Service Systems jobs? Check all that apply.
lorasvet [3.4K]

Answer: a,c,d,f

Explanation:

5 0
4 years ago
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