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Mnenie [13.5K]
3 years ago
5

The age of the solar system is closest to _____ years old.

Physics
1 answer:
tester [92]3 years ago
6 0
The age of the solar system is 4,600,000,000
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How much heat is required to convert 0.3 kilogram of ice at 0°C to water at the same temperature
Grace [21]

Answer:

100,200J of heat is required to convert 0.3kg of ice of 0°C to water at same temperature.

Explanation:

Heat = mass * lf

Latent heat of fusion (lf) of water is 334J/g

Heat = 300g * 334 J/g

Heat = 100,200J of heat

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3 years ago
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2. What current flows through a hair dryer plugged into a 110 Volt circuit et it as a te
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Explanation:

V =I*R

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I= 4.4 Amps

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3 years ago
You have a 6.00 V power supply, and
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Answer: 0.28 A

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8 0
2 years ago
The national high magnetic field laboratory holds the world record for creating the strongest magnetic field. for brief periods
max2010maxim [7]

Newton’s 2nd law states that Force is equal to the product of mass (m) and acceleration (a):

F = m a                                  ---> 1

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F = q v B                               ---> 2

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q = total charge

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First we solve for the total charge, q:

q = 3.8 × 10^-23 g (1 mol / 23 g) (6.022 × 10^23 electrons / mol) (1.602 × 10^-19 C / electron)

q = 1.594 × 10^-19 C

 

We equate equations 1 and 2 then solve for acceleration a:

m a = q v B

a = q v B / m

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a = 160,437,862.2 m/s^2

 

Therefore the maximum acceleration of Na ions is about 160 × 10^6 m/s^2.

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3 years ago
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