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dmitriy555 [2]
3 years ago
7

Mr. Wang works in a recycling center. Recyclable materials arrive at the

Physics
1 answer:
Slav-nsk [51]3 years ago
3 0
B is the answer to this problem
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1. Alexandra and Rachel are on a train that sounds a whistle at a constant frequency as
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Answer: the answer would be C trust me i took the test if its not that its b

hope that helps

Explanation: i took the test

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3 years ago
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Which copper wire would have the lowest resistance?
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B. The resistance is directly proportional to length and inversely proportional to cross sectional area
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2 years ago
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Why is it important not to present a biased argument as a public speaker?
UNO [17]

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Explanation:

a) because it's immoral as you're trying to convince people of your views when you should be giving both sides of the story so people are able to come up with their own opinions on what you're talking about

4 0
3 years ago
The basic barometer can be used to measure the height of a building. If the barometric readings at the top and the bottom of a b
erma4kov [3.2K]

Answer:

h = 269.6 m

Explanation:

Pressure at the bottom of the building and at the top of the building must be related as

P_{top} = P_{bottom} - \rho g h

P_{top} = 730 mm Hg

P_{bottom} = 755 mm Hg

now we will have

(755 \times 10^{-3})(13.6 \times 10^3)(9.81) = P_{bottom}

P_{bottom} = 1.007 \times 10^5 Pa

P_{top} = (730\times 10^{-3})(13.6 \times 10^3)(9.81)

P_{top} = 0.974 \times 10^5

now we have

(1.007 - 0.974)\times 10^5 = 1.25 (9.81) h

h = 269.6 m

7 0
3 years ago
What is a measure of the amount of matter in an object? Question 2 options: Force Inertia Mass Acceleration
fredd [130]
The answer is C.) mass is the matter of an object

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