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seraphim [82]
3 years ago
10

9As a student walks downhill at constant speed, his gravitational potential energy

Physics
1 answer:
Minchanka [31]3 years ago
4 0

Answer:

jfsfjsjfsjfsjgsjfskra

Explanation:

sgnsfnNCzgnzncxmhshdgNdfjBFzktajfskgskgzngzngzgnzngzngzfNFzngzngznfzngzngzngzng

4)sfjskgdgxgkzhldlhdhkdkhdgkdkgzgksfnsksgkskfsufsursjfsjrsjfBFHDahdJFzbfzkgzndcxdnvxekvxlhecihckheclheclhexhiecohceoheclhecohecohecohceohceohecohceihcelhevlhecohcehlcegicgei.

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2. What is the feather's initial velocity (before it is dropped) in m/s?
Dmitrij [34]

Answer: 0

Explanation: Initial velocity is 0.

7 0
2 years ago
Helppp pls yes or no question
svp [43]

Answer:

yes, should be

Explanation:

This is a hard yes or no question becuase the amplitudes are the same height but in different beating orders.

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2 years ago
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How did you manage to overcome the difficulties that arose?
Flauer [41]

Answer:

I just toughed it out and talked with friends

Explanation:

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2 years ago
What is the difference between a solar cell and a solar panel
dexar [7]

Solar cells and solar panels are both integral, and closely related, parts of a solar energy system. When reading about solar energy systems, it may seem as if these titles are almost interchangeable. Writers refer to them both when discussing energy production and output, and often do so without explanation of how these parts work. However, each plays a distinct role. Solar cells contain all the parts necessary to convert sunlight to electricity. Solar panels combine and direct all of that energy output.

5 0
2 years ago
Light bulb 1 operates with a filament temperature of 2700 K whereas light bulb 2 has a filament temperature of 2100 K. Both fila
Lemur [1.5K]

Answer:

0.3659

Explanation:

The power (p) is given as:

P = AeσT⁴

where,

A =Area

e = transmittivity

σ = Stefan-boltzmann constant

T = Temperature

since both the bulbs radiate same power

P₁ = P₂

Where, 1 denotes the bulb 1

2 denotes the bulb 2

thus,

A₁e₁σT₁⁴ = A₂e₂σT₂⁴

Now e₁=e₂

⇒A₁T₁⁴ = A₂T₂⁴

or

\frac{A_1}{A_2} =\frac{T_{2}^{4}}{T_{1}^{4}}

substituting the values in the above question we get

\frac{A_1}{A_2} =\frac{2100_{2}^{4}}{2700_{1}^{4}}

or

\frac{A_1}{A_2} }=0.3659

6 0
3 years ago
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