Dr. Martin Luther King, Jr., used which method to draw attention to the civil rights movement?a. whatever means necessary
b. violence and intimidation
c. passive resistance
d. running for political office
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Lime your sus you walked past the body but didn't report
The space shuttle is descending through the earth's atmosphere. How is the mass of the shuttle affected?A. It will remain constant. B. It will increase with descent. C. It will decrease with descent.
Which of the following statements is true about Planck's Law?. . A. The frequency of the emitted light is inversely proportional to the energy given off by the electrons.. . B.The frequency of the emitted light is directly proportional to the energy given off by the electrons.. . C. The wavelength of the emitted light is directly proportional to the energy given off by the electrons.. .D. The wavelength of the emitted light is inversely proportional to the energy given off by the electrons.
6. What makes an object float rather than sink?
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The pitch is higher as it approaches and then becomes lower the moment it passes.
B. volcano
C. river
D. plain
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Hope I helped:P
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If you are referring to solar panels, these convert light energy into electrical energy. They do so by generating “DC” (Direct Current) electricity from the light.This electricity is fed into a solar inverter that converts into “AC” (Alternating Current) electricity.The AC electricity is used to power appliances in your home.
technology and are still in use today.
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Answer:
Tesla perfected alternating current (AC) technology, which now provides electricity to all homes and appliances. He developed the fluorescent lightbulb, which is energy-efficient and cost-effective. The electric motor, which he invented, now powers appliances, machines, tools, and some cars. Tesla also built a hydroelectric power plant to generate electricity from the force of water. Tesla also studied X-rays, radios, and wireless technology.
Explanation:
i just answered it this is the sample response believe me edge 2021
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1. The volume will increase.
2. The change in the volume is 73 mL
1. Determination of the nature of the new volume.
From the question given above, the following data were obtained:
- Initial volume (V₁) = 200 mL
- Initial temperature (T₁) = 0 °C = 0 + 273 = 273 K
- New temperature (T₂) = 100 °C = 100 + 273 = 373 K
- New volume (V₂) =?
Using the Charles' law equation, the new volume of the cylinder can be obtained as follow:
V₁ / T₁ = V₂ / T₂
200 / 273 = V₂ / 373
Cross multiply
273 × V₂ = 200 × 373
273 × V₂ = 74600
Divide both side by 273
V₂ = 74600 / 273
V₂ ≈ 273 mL
From the above calculation, we can see that the new volume increased.
2. Determination of the change in the volume.
The change in the volume can be obtained as illustrated below:
- Initial volume (V₁) = 200 mL
- New volume (V₂) = 273 mL
- Change in volume (ΔV) =?
ΔV = V₂ – V₁
ΔV = 273 – 200
ΔV = 73 mL
Learn more about Charles' law:
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The frequency at which the stationary listener will hear the sound of the plane as it approaches is 5.54 KHz
Data obtained from the question
- velocity of source (vₛ) = 114 m/s
- original frequency (f₀) = 3.65 KHz
- velocity of observer (v₀) = 0 m/s
- velocity of sound (v) = 334 m/s
- Observer's frequency (f₀) =?
How to determine the the observer's frequency
Applying the equation of Doppler effect, the observer's frequency can be obtained as follow:
f₀ = [(v + v₀) / (v – vₛ)]f
f₀ = [(334 + 0) / (334 – 114)] × 3.65
f₀ = [334 / 220] × 3.65
f₀ = 5.54 KHz
Learn more about Doppler effect:
Answer:
Explanation:
velocity of source, Vs = 114 m/s
original frequency, f = 3.65 kHz
velocity of observer , Vo = 0 m/s
velocity of sound, v = 334 m/s
let the frequency is f'.
The formula for the doppler effect is given by
where, v is the velocity of sound.
f' = 5.54 kHz