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grigory [225]
3 years ago
12

A team of engineers has decided to design a new shoe for people suffering from a painful foot condition. Each of the following t

asks is necessary for the engineers to undertake during the beginning phase of the project except which?
A. Have subjects wear the shoes in an experimental trial to see if symptoms improve
B. Do research on orthopedic shoes that have already been designed for this condition
C. Estimate the price potential consumers would be willing to pay for this product
D. Look into the available materials and weigh the advantages and disadvantages of each
Chemistry
2 answers:
sp2606 [1]3 years ago
8 0

Answer:

A. have subjects wear the shoes in an experimental trial to see if symptoms improve.

viva [34]3 years ago
6 0

Answer: Option A

Explanation:

When the team of engineers decided to design a footwear that will help the people suffering from painful foot condition that is caused by footwear.

There are many steps in designing such a footwear that is helpful in treating this problem. First of all they will look the other footwear available in the market and the problem that is not being solved by the available option.

They will do research and study a bit of orthopedics to get more knowledge about the bones and shoes.

They will also estimate the cost of shoes. But they will not wait to see if the symptoms improve because it is the feedback step of the experiment.

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2 years ago
If 725 ml of N² gas is at 1 atm, what volume will it have at 1.4 atm?​
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Answer:

518 mL

Explanation:

We can solve this using Boyle's Law Formula

P1V1 = P2V2

where p1 = initial pressure, p2 = final pressure, v1 = initial volume and v2 = final volume

here , the initial pressure is 1 atm and the initial volume is 725mL

we are given the final pressure 1.4 and we need to find the final volume

so we have p1v1 = p2v2

==> plug in p1 = 1 , v1 = 725 mL and p2 = 1.4

(1)(725) = (1.4)v2

==> multiply 1 and 725

725 = (1.4)(v2)

==> divide both sides by 1.4

v2 = 518

N2 would have a volume of 518mL at 1.4atm

7 0
2 years ago
Read 2 more answers
The pressure in a car tire is 198 kPa at 27°C. After a long drive, the pressure
AlekseyPX

Answer : The temperature of the air in the tire is, 341 K

Explanation :

Gay-Lussac's Law : It is defined as the pressure of the gas is directly proportional to the temperature of the gas at constant volume and number of moles.

P\propto T

or,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1 = initial pressure = 198 kPa

P_2 = final pressure = 225 kPa

T_1 = initial temperature = 27^oC=273+27=300K

T_2 = final temperature = ?

Now put all the given values in the above equation, we get:

\frac{198kPa}{300K}=\frac{225kPa}{T_2}

T_2=340.9K\approx 341K

Therefore, the temperature of the air in the tire is, 341 K

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