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inn [45]
3 years ago
15

PLEASE HELP ASAP!!!!!

Physics
1 answer:
Vadim26 [7]3 years ago
4 0
Both waves would increase right? That seems correct since the water and air temp both equally changed.
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If an piano and an apple are dropped in a tunnel without air.which would hit the ground first
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Answer:

the piano.

Explanation:

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Explain the difference in reactivity of the elements based on their electron configurations.
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In your own words, explain the effects of time dilation.
Natalka [10]
So we want to explain the effects of time dilation. In theory of relativity time dilation is the difference of elapsed time between two events when measured by two observers who are moving relatively to each other. A clock of an observer that is standing still in an inertial frame of reference is going to measure a different time of an event than the clock of an observer that is moving with some velocity with respect to the inertial reference frame that is not moving. In a nutshell, the moving clock is ticking slower than the clock that is standing still.  
7 0
3 years ago
Read 2 more answers
heat engine operating between 100 °C and 700 °C has an efficiency equal to 40% of the maximum theoretical efficiency. How much e
ipn [44]

Answer:

Explanation:

Theoretical efficiency = T₁ - T₂ / T₁ where T₁ and T₂ is absolute temperature of hot and cold end of the heat engine.

= 600 / (273 + 700 )

= 600 / 973

= .6166

operating efficiency = 40% of .6166

= .4 x .6166

= .2466 = 24.66 %

efficiency = work output / heat input

= 5000 / heat input = .2466

heat input = 5000 / .2466

= 20275.75 J .

HEAT EXTRACED = 20275.75 J.

3 0
3 years ago
With a power supply able to produce 125 a of current, how long must the nails stay in the electrolysis chamber to receive 1.33×1
KengaRu [80]
<span>With a power supply able to produce 125 an of current, then the time on how long must the nails stay in the electrolysis chamber to receive 1.33×107 c of charge is 10 hours, then a minute of 29, and lastly, 20 more seconds. </span>
3 0
3 years ago
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