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Scrat [10]
3 years ago
6

N what way are all sound waves and light waves similar?

Physics
1 answer:
bulgar [2K]3 years ago
4 0
<span>They both transmit energy </span>
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A 13 kg hanging sculpture is suspended by a 95-cm-long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundame
Artyom0805 [142]

Answer:

f=81.96 \ Hz

Explanation:

Givens

L=95cm

m_{sculpture} =13kg

m_{wire}=5g

The frequency is defined by

f=\frac{v}{\lambda}

Where v is the speed of the wave in the string and \lambda is its wave length.

The wave length is defined as \lambda = 2L = 2(0.95m)=1.9m

Now, to find the speed, we need the tension of the wire and its linear mass density

v=\sqrt{\frac{T}{\mu} }

Where \mu=\frac{0.005kg}{0.95m}= 5.26 \times 10^{-3} and the tension is defined as T=m_{sculpture} g=13kg(9.81 m/s^{2} )=127.53N

Replacing this value, the speed is

v=\sqrt{\frac{127.53N}{5.26 \times 10^{-3} } }=155.71 m/s

Then, we replace the speed and the wave length in the first equation

f=\frac{v}{\lambda}\\f=\frac{155.71 m/s}{1.9m}\\ f=81.96Hz

Therefore, the frequency is f=81.96 \ Hz

3 0
3 years ago
Read 2 more answers
What is the current of the ammeter?
DaniilM [7]

Answer:

.6 A

Explanation:

V = IR

V/R = I

12/20 = I = .6 A

3 0
2 years ago
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You have to choose one of these Kpop members for the purge, or you can group them into three. Who do you choose, what are their
Burka [1]

Answer:

Wonho, Seonghwa, and Bangchan

Explanation:

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2 years ago
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Jon's bathtub is rectangular and its base is 18 ft2. (a) How fast is the water level rising if Jon is filling the tub at a rate
Kitty [74]

Answer:

The water level in the bath tub is rising at a rate of 0.0111 ft/s

Explanation:

Volume of the bath tub = (Area of base) × (height)

Area of base = 18 ft² (constant)

Height = h (variable)

V = 18h

(dV/dt) = 18 (dh/dt)

If (dV/dt) = 0.2 ft³/s

0.2 = 18 (dh/dt)

(dh/dt) = (0.2/18)

(dh/dt) = 0.0111 ft/s

Hope this Helps!!!

6 0
3 years ago
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A sort of "projectile launcher" is shown below. A large current moves in a closed loop composed of fixed rails, a power supply,
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Answer:

wallah i don't understand anything with my stoopid brain

Explanation:

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