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djyliett [7]
2 years ago
5

9) If a wave has a speed of 362 m/s and a period of 4.17 s, what is its wavelength?

Physics
2 answers:
kakasveta [241]2 years ago
5 0

Answer:

Option B (1.51 m)

Explanation:

U 2 can help me by marking as brainliest........

Aleksandr [31]2 years ago
3 0

Answer:

1509 m

Explanation:

w= s/f = 362/ (1/4.17) = 362 m/s * 4.17 s^(-1) = 1509.54 m

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What is the function of mitochondria? BRAINLIEST WILL BE GIVEN PLS HELP
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Explain integration and differentiation in simple method!
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3 years ago
The Assignment: A fixed quantity of an ideal gas (R 0.28 kJ/kgK; Cv-0.71kJ/kgK) is expanded from an initial condition of 35 bar,
Nikolay [14]

Answer:

Index of expansion: 4.93

Δu = -340.8 kJ/kg

q = 232.2 kJ/kg

Explanation:

The index of expansion is the relationship of pressures:

pi/pf

The ideal gas equation:

p1*v1/T1 = p2*v2/T2

p2 = p1*v1*T2/(T2*v2)

500 C = 773 K

20 C = 293 K

p2 = 35*0.1*773/(293*1.3) = 7.1 bar

The index of expansion then is 35/7.1 = 4.93

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Δu = Cv * Δt

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q = l + Δu

The work will be the expansion work

l = p2*v2 - p1*v1

35 bar = 3500000 Pa

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q = p2*v2 - p1*v1 + Δu

q = 710000*1.3 - 3500000*0.1 - 340800 = 232200 J/kg = 232.2 kJ/kg

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3 years ago
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