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3 years ago

Soot particles ("black carbon aerosols" generally cause of earth's atmosphere by solar energy.

Physics

1 answer:

sineoko [7]3 years ago

7 0

They cause an increase in temp of earths atmosphere or warming by absorbing solar energy. hope this helps

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An AC voltage source and a resistor are connected in series to make up a simple AC circuit. If the source voltage is given by ΔV

ra1l [238]

Answer:

t = 5.48 × 10⁻³ s

Explanation:

Given:

ΔV = ΔVmax × sin(2πft)

frequency, f = 16.9Hz

thus,

ΔV = ΔVmax × sin(2π×16.9×ft)

Now,

Let 'R' be the resistance

Also according to the ohms law

i = V/R

where,

i = current

V = voltage

hence,

$i=\frac{\Delta V_{max}sin(2\pi \times 16.9\times t)}{R}$

also, given at time 't' the current in the circuit is 55.0% of the peak current

thus

$i=\frac{55}{100}\times \frac{\Delta V_{max}}{R}=0.55\times \frac{\Delta V_{max}}{R}$

thus,

$0.55\times \frac{\Delta V_{max}}{R}=\frac{\Delta V_{max}sin(2\pi \times 16.9\times t)}{R}$

$0.55=sin(2\pi \times 16.9\times t)}$

$0.5823=(2\pi \times 16.9\times t)}$

t = 5.48 × 10⁻³ s (Answer)

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3 years ago

What three things are needed for a mechanical wave

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<h3><u>Answer;</u></h3>

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3 years ago

Read 2 more answers

Soot particles ("black carbon aerosols" generally cause ________ of earth's atmosphere by ________ solar energy.

Soot particles ("black carbon aerosols" generally cause of earth's atmosphere by solar energy.