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3 years ago

What do you think are some differences between sound waves traveling through air versus traveling through water?

Physics

2 answers:

N76 [4]3 years ago

8 0

I agree with the comment on top

mel-nik [20]3 years ago

4 0

Answer:

in water its more slower because of the liquid matter but in air its a gas formaiton so its more quicker

Explanation:

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What is the tangential speed of a point on a wheel of a car if the point is located 0.114 m from the axis of rotation; and the w

Svetach [21]

Answer:

Tangential speed = R * w where w is the angular speed

For a wheel v = .114 m * 6.53 / sec = .744 m/s

Note that this is the tangential speed - If the wheel were moving at speed V then as viewed from the ground you have

top V + v

bottom V - v

That is the wheel also has speed due to the speed of the axle (axis of rotation)

3 0

3 years ago

Please help me with my quiz?

alina1380 [7]

The solutions would be :
1. C
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3 years ago

Identify the procedure to determine a formula for self-inductance, or inductance for short. Using the formula derived in the tex

OlgaM077 [116]

Answer:

L = 0.109 H

Explanation:

Given that,

Number of loops in the solenoid, N = 1500

Radius of the wire, r = 4 cm = 0.04 m

Length of the rod, l = 13 cm = 0.13 m

To find,

Self inductance in the solenoid

Solution,

The expression for the self inductance of the solenoid is given by :

$L=\dfrac{\mu_o N^2 A}{l}$

$L=\dfrac{4\pi \times 10^{-7}\times (1500)^2\times \pi (0.04)^2}{0.13}$

L = 0.109 H

So, the self inductance of the solenoid is 0.109 henries.

3 0

3 years ago

what moon phase will occur about 14 days after a first quarter?

garik1379 [7]

Answer:

waxing gibbous is the answer.

3 0

3 years ago

A string is stretched between a fixed support and a pulley a distance 111 cm apart. The tension on the string is controlled by a

kvv77 [185]

Answer:

88.8 m/s= Speed of wave propagation in the required mode.(3 loops)

Explanation:

When there are 3 loops.

the total length = L = 3 λ /2

⇒ λ = 2 L / 3 = 2 ( 1.11 ) / 3 = 0.74 m

Velocity = v = f λ = (120)(0.74) = 88.8 m/s

3 0

3 years ago