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3 years ago

Convert: 67100 mm = _____ m?

Mathematics

1 answer:

GrogVix [38]3 years ago

4 0

Answer:

67.1m

Step-by-step explanation:

67100 divided by 1000 = 67.1m

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An aluminum rod 0.500 m in length and with a cross-sectional area of 2.20 cm2 is inserted into a thermally insulated vessel cont

netineya [11]

Answer:

a). V $_{He}$ = 14.6208 litres : b). = 0.29844 Litres/sec

Step-by-step explanation:

a).

Step 1.

Volume when one half of rod is inserted = (50/2)*(2.2) = 55cm³

Step 2.

As we know that,

V $_{He}$ = (ρV $_{c}$ IΔT) $_{Al}$ / (ρL $_{v}$ ) $H_{c}$ where $H_{c}$ = 290 - 4.2 = 285.8K

sepecififc heat of aluminum = 0.215 cal/g

density = 2.7 g/cm3

= (2.7)*(55)*(0.215)*(285.8) / (0.125)*(20900)*(1/4186)

V $_{He}$ = 14.6208 litres

b).

Step 1.

As we know that

P = kA(dT/dx) = 31*2.2*[(290-4.2)/25]

= 779.6624 W

Step 2.

Now, approximate boil rate of helium is:

P/ρL $_{v}$ = [(779.6624)*(10^3g/kg)] / [(0.125)*(20900)]

= 0.29844 Litres/sec

6 0

3 years ago

FOR FUN:- which years u have to be born in to get age of n in the n^2 year xD

Crazy boy [7]

I think '2' is the only one that works.

7 0

3 years ago

Read the problem and examine the diagram.

yulyashka [42]

Answer:

Option A: The answer should be 10% of 6 is the correct answer.

Step-by-step explanation:

Given that:

6 students play trumpet. As they represent 10% of the total students.

Let,

x represent the number of students in the band.

10% of x = 6

By solving this, we will get the value for number of students in the band.

As x will be our answer,

The choices B, C and D are correct in the given scenario.

However,

10% of 6 cannot be the solution to the problem.

Hence,

Option A: The answer should be 10% of 6 is the correct answer.

6 0

3 years ago

Answer if you can and help other people out

oksano4ka [1.4K]

<h2>Answer:</h2><h2>131.964 cm</h2>

Solution,

radius=21 cm

Circumference of circle=2 pi r

 =2*3.142*21

 =131.964 cm

hope it helps

Good luck on your assignment

8 0

3 years ago

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Solve for p. 21 + p = 44 Enter your answer in the box. p= Please help!

Oksana_A [137]

Answer:

p=23................

8 0

3 years ago

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