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marusya05 [52]
3 years ago
8

The gaps on Mendeleev's table _____.

Physics
1 answer:
larisa86 [58]3 years ago
6 0
Represented elements not discovered in this time

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The resistivity of gold is at room temperature. A gold wire that is 0.9 mm in diameter and 14 cm long carries a current of 940 m
IgorC [24]

Answer:

0.0360531138247 V/m

Explanation:

\rho = Resistivity of gold = 2.44\times 10^{-8}\ \Omega .m (General value)

I = Current = 940 mA

d = Diameter = 0.9 mm

A = Area = \dfrac{\pi}{4}d^2

E = Electric field

Resistivity is given by

\rho=\dfrac{EA}{I}\\\Rightarrow E=\dfrac{\rho I}{A}\\\Rightarrow E=\dfrac{2.44\times 10^{-8}\times 940\times 10^{-3}}{\dfrac{\pi}{4}(0.9\times 10^{-3})^2}\\\Rightarrow E=0.0360531138247\ V/m

The  electric field in the wire is 0.0360531138247 V/m

6 0
3 years ago
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Science homework help
matrenka [14]
1. electrons
2. positive to negative
3. insulator
4. TRUE
5. closed circuit
6. TRUE
7. series
8. TRUE
9. v=ir
10. TRUE

Hope this helps! :)
7 0
3 years ago
A motor has a rating power of 20 W and motor is used for 10 s. Calculate the
zepelin [54]

Explanation:

oii ay school ens?

6 0
3 years ago
Ayan warms some hot chocolate in a microwave oven. Which reasoning explains how the particles that make up the hot chocolate dif
valkas [14]

Answer:

They move farther apart

Explanation:

When objects heat up they expand for example heating up a balloon makes it expand

4 0
3 years ago
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Which statement BEST describes the condition of steady-state equilibrium? - System slowly adjusts to long-term changes in input
krok68 [10]

Answer:

System inputs and outputs fluctuate around a stable average so the system does not move far from its average condition.

Explanation:

Steady-state equilibrium can also be called dynamic equilibrium. The main difference between the two is the type of system we are considering. When a system is closed, and it attains equilibrium, there is no transfer of energy. In  the case of an open system, even if the system achieves equilibrium there will be some transfer of energy but it will not deviate far from it's equilibrium point, that is, it will be in a steady-state.

6 0
3 years ago
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