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hodyreva [135]
3 years ago
13

Sort the balloons based on the kinds of charges they carry.

Physics
1 answer:
Arte-miy333 [17]3 years ago
6 0

first one is negative

second is none

third is posotive

last one is negative

left to right order

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You see a flash of lightning and hear thunder 3 seconds later. If the air temperature is 24°C that day, determine how far away t
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Answer:

Explanation:

speed of sound in 24 degrees celsius

345.48m/s

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What kind of energy involves the flow of charged particles?
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A solenoid having an inductance of 5.41 μH is connected in series with a 0.949 kΩ resistor. (a) If a 16.0 V battery is connected
vekshin1

Answer:

(A) 9.14\times 10^{-9}sec

(B) 6.20\times 10^{-3}A

Explanation:

We have given inductance L=5.41\mu H=5.41\times 10^{-6}H

Resistance R=0.949kohm=0.949\times 10^3ohm

Time constant of RL circuit is equal to \tau =\frac{L}{R}

\tau =\frac{5.41\times 10^{-6}}{0.949\times 10^3}=5.70\times 10^{-9}sec

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(a) It is given current becomes 79.9% of its final value

Current in RL circuit is given by

i=i_0(1-e^{\frac{-t}{\tau }})

According to question

0.799i_0=i_0(1-e^{\frac{-t}{\tau }})

e^{\frac{-t}{\tau }}=0.201

{\frac{-t}{\tau }}=ln0.201

{\frac{-t}{5.7\times 10^{-9} }}=-1.6044

t=9.14\times 10^{-9}sec

(b) Current at t=\tau sec

i=i_0(1-e^{\frac{-t}{\tau }})

i=\frac{16}{0.949\times 10^3}(1-e^{\frac{-\tau }{\tau }})

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What pressure expressed in pascals equals 70 N/m2?
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A pascal is defined as 1 N/m^2.
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Note: written in full, pascal is in lower case. The abbreviation is Pa, written with a capital P.
8 0
4 years ago
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