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vampirchik [111]
3 years ago
14

In one town, there are several natural gas drilling sites. Scientists warn town officials that the health of the people could be

affected by the natural gas wells, so in an effort to protect its citizens, the town temporarily prevents builders from developing homes and businesses within two miles of the drill sites.
This example demonstrates how science can be used to inform decision making at the ______ level.
A.
international
B.
national
C.
community
D.
state
Physics
2 answers:
KATRIN_1 [288]3 years ago
8 0

Answer:

C - Community (if wrong try D )

Explanation:

I would go with c because national addresses the whole and State addresses that whole state that only the town has that problem Usa while C while only address the town since the problem is only affecting one town  

Citrus2011 [14]3 years ago
7 0

Answer:

C. community

Explanation:

Community consists of a local residence, like a town.

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One strategy in a snowball fight is to throw
Oxana [17]

second question: How many seconds after the first snowball

should you throw the second so that they

arrive on target at the same time?

Answer in units of s.

Answer:

Part 1: 28°

Part 2: 1.367

Explanation:

Part 1:

Given: 62°  

Simple

θ = 90°- 62°

<u>θ = 28°</u>

Part 2:

Y-direction

Δy=v_{yo} t+\frac{1}{2} a_{y} t^{2}

0=[16.2sin(62)]t_{1}+1/2(-9.8)t_{1}^{2} \\

t_{1} =\frac{2[16.2sin(62)]}{9.8}

t_{1}=2.91913s

0=[16.2sin(28)]t_{2}+1/2(-9.8)t_{2}^{2}

t_{2} =\frac{2[16.2sin(28)]}{9.8}

t_{2}=1.55213s

Δt=t_{1}-t_{2}

Δt=2.91913-1.55213

<u>Δt= 1.367s</u>

Hope it helps :)

7 0
3 years ago
Students create a standing wave
kenny6666 [7]

wavelength =wavevelocity

--——————

Frequency

Frequency = 1/T => 1 / 6.73 = 0.1486

Wave velocity = L/T => 3.75 / 6.73 = 0.5572

Therefore, wave length = 0.5572/0.1486 = 3.75m

3 0
3 years ago
Which of the following is a problem with the estimated age of the universe?
dolphi86 [110]

Answer:

The Earth is 4.543 billion years old

3 0
3 years ago
NEED HELP ASAP PLEASE
Zarrin [17]

Answer:

D. 3.0 m/s

Explanation:

because I did this in my class

8 0
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The uncertainty in the position of an electron along an x axis is given as 53 pm, which is about equal to the radius of a hydrog
Jobisdone [24]

To solve this problem it is necessary to apply the concepts related to the Heisenberg's uncertainty principle. Under this principle we understand the relationship that the minimum range of error in position (x) times the minimum range of error in momentum (p) is, at a minimum, about equal to the Planck constant, mathematically that is,

\Delta p = \frac{h}{\Delta x}

Replacing with our values we have,

\Delta p = \frac{6.63*10^{-34}J\cdot s}{2\pi (53*10^{-12}m)}

\Delta p = 1.99*10^{-24} kg\cdot m/s

Therefore the least uncertainty in any simultaneous measurement of the momentum component px of this electron is 1.99*10^{-24} kg\cdot m/s

4 0
3 years ago
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