2 years ago

Through which type of media do mechanical waves, such as sound, move the fastest?

1 answer:

monitta2 years ago

8 0

Mechanical waves travel the fastest in solids and liquids because the molecules are more closely packed together than gases, so energy is transferred from one particle to another particle faster<span>.</span>

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2 years ago

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1 year ago

Two equal positive charges are held in place at a fixed distance. If you put a third positive charge midway between these two ch

eimsori [14]

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2 years ago

6. An article, which costs Rs. 850 is sold at a profit of 6%.

geniusboy [140]

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soln 2

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2 years ago

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romanna [79]

In series circuit, Req = R₁ + R₂ + R₃ + ···

In parallel circuit, $\frac{1}{Req} = \frac{1}{R1} + \frac{1}{R2} + \frac{1}{R3} +...$

total resistance in the upper branch = R₂ + R₃ = R₂ + 2

$\frac{1}{Req} = \frac{1}{R2+R3} + \frac{1}{R1}$

$\frac{1}{4} = \frac{1}{R2+2} +\frac{1}{6}$

R₂ + 2 = 12

R₂ = 10Ω

$\frac{1}{Req} = \frac{1}{R2+R3} + \frac{1}{R1}$

$\frac{1}{Req} = \frac{1}{2+1} + \frac{1}{4}$

Req = 1.7Ω

7 0

2 years ago