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Lana71 [14]
3 years ago
5

Which possession or protectorate is located at approximately 67 w longitude and 18 n latitude?

Physics
1 answer:
zzz [600]3 years ago
6 0

The answer is Caribbean Sea south of San Juan, Puerto Rico. A protectorate, in its beginning accepted by modern international law, is a reliant territory that has been arranged local independence and some individuality while still remembering the suzerainty of a better sovereign state.

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Why is creavity important inn constructing scientific methods
nikklg [1K]

Answer:

The answer is C

Explanation:

Scientists use creativity to determine which smaller questions are likely to yield results, imagine possible answers to their questions, and devise ways to test those answers.

6 0
3 years ago
In Applied Life Data Analysis (Wiley, 1982), Wayne Nelson presents the breakdown time of an insulating fluid between electrodes
muminat

Answer:

18.375

Explanation:

Mean = total of measured values / no of elements of sample

Total = .15 + .89 +1.11+1.46 +2.78 + 3.12 + 4.30 + 4.59 + 4.92 + 6.42 + 7.20+8.04+8.21+12.13+31.86+32.53+33.82+36.60+ 72.99

= 273.03

Mean = 273 .03 / 19

= 14.37

( .15 - 14.37 )² +( 0.89 - 14.37 )²+( 1.11- 14.37 )²+( 1.46 - 14.37 )²+( 2.78 - 14.37 )²+( 3.12 - 14.37 )²+( 4.30 - 14.37 )²+( 4.59 - 14.37 )²+( 4.92 - 14.37 )²+( 6.42 - 14.37 )²+( 7.20 - 14.37 )²+( 8.04 - 14.37 )²+( 8.21 - 14.37 )²+( 12.13 - 14.37 )²+( 31.86 - 14.37 )²+( 32.53 - 14.37 )²+( 33.82 - 14.37 )²+( 36.60 - 14.37 )²+( 72.99 - 14.37 )²

= 202.20 +181.71+ 175.82 + 166.66+ 134.32 + 126.56 + 101.40 +95.64 + 89.30 +63.20 +51.40 +40.06 +37.94+5.01 +305.90 +329.78 +378.30 +494.17 +3436.30

=6415.67

Standard deviation =

\sqrt{\frac{6415.67}{19} }

= 18.375

5 0
3 years ago
Plz help
Gennadij [26K]
Upper mantle

The theory of the plate tectonics uses the convection cells in the upper mantle layer as the foundation for the movement of the continents.
To put it simple the process is explained like the convection cells create a lot of pressure, that pressure, supported by the high temperatures and magma, influence the crust above, and manage to crack it on certain places. As the crust cracks, it becomes a separate entity, and under the enormous force from bellow it slowly moves into a particular direction, and that is actually the movement of the tectonic plates.
3 0
3 years ago
Read 2 more answers
A pulsar is a rapidly rotating neutron star that emits a radio beam the way a lighthouse emits a light beam. We receive a radio
Reika [66]

Answer:

α = -2.303 \times 10^-^9rad/s^2

b)t = 2619.8 years

c) T(i) =  0.0208536s  

Explanation:

Given that ,

The period of pulsar T = 0.033 s

The period increase at a rate of  \frac{dT}{dt} = 1.26×10⁻⁵s/y

a) Pulsar angular speed is

ω = θ / T = 2π / T

θ = one revolution of pulsar

T = period of pulsar

Pulsar angular acceleration is given by

\alpha = \frac{dw}{dt}

\alpha = -\frac{2\pi }{ T^2}\frac{dT}{dt}

\alpha  = -\frac{2\pi }{0.033^2} \frac{1.26 \times 10^-^5}{60\times60\times24\times365.25}

= -2.303 \times 10^-^9rad/s^2

b) ω₀ = θ / T

0 = 190.4 - 2.303 × 10⁻⁹

t = \frac{190.4 }{2.303  \times10^-^9} \\= 8.27 \times10^1^0s \\= 2619.8y

c) 2018 - 1054

= 964years

The pulsar is originated in a supernova explosion 964 years ago.

then the initial period of pulsar

T_i = T - 964 \times \frac{dT}{dt} = 0.033 - 964  \times 1.26  \times 10^-^5 \\= 0.0208536s

T(i) =  0.0208536s

5 0
4 years ago
Which unit is determined by the frequency of the radiation given off by cesium-133? a gram b second c meter d hour?
ziro4ka [17]
Which unit is determined by the frequency of the radiation given off by cesium-133
<span>hour</span>
5 0
3 years ago
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