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bearhunter [10]
3 years ago
12

Need help ASAPJenna made an electric circuit as seen in the picture. She placed a thermometer near her light bulb. After the lig

ht bulb was turned on for an hour, what did she MOST LIKELY observe?
A) The bulb glowed brighter over time.
B) The temperature in the thermometer went up.
C) The temperature in the thermometer went down.
D) Both the light and temperature remained the same over time.
Physics
2 answers:
zepelin [54]3 years ago
7 0
B) The temperature in the thermometer went up.
maks197457 [2]3 years ago
7 0
B) The temperature in the thermometer went up.
Hope it helps :D
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3 years ago
A solid keeps its shape due to which of the following factors?
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Answer:

c

Explanation:

because whatever elements are used like gas uses water evaporation so yeah

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A laser beam is incident at an angle of 30.0° from the vertical onto a solution of corn syrup in water. The beam is refracted to
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Answer with Explanation:

We are given that

Angle of incidence,i=30^{\circ}

Angle of refraction,r=19.24^{\circ}

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We know that

n_2sinr=n_1sini

n_2=\frac{n_1sin i}{sin r}=\frac{sin30}{sin19.24}=1.517

b.Wavelength of red light in vacuum,\lambda=632.8nm=632.8\times 10^{-9} m

1nm=10^{-9} m

Wavelength in the solution,\lambda'=\frac{\lambda}{n_2}

\lambda'=\frac{632.8}{1.517}=417nm

c.Frequency does not change .It remains same in vacuum and solution.

Frequency,\nu=\frac{c}{\lamda}=\frac{3\times 10^8}{632.8\times 10^{-9}}

Where c=3\times 10^8 m/s

Frequency,\nu=4.74\times 10^{14}Hz

d.Speed in the solution,v=\frac{c}{n_2}

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5 0
3 years ago
Roughly to what height would a 5 kg stone need to be raised in order to have the same stored energy as the energy stored in the
hoa [83]

8.16m is the required height, a 5kg stone need to be raised.

One sort of potential energy is gravitational potential energy, which is equal to the product of the object's mass (m), the gravitational acceleration (g), and the object's height (h) as measured in relation to the ground's surface (the body).

We obtain the formula by considering the work done in raising a mass m through a height h.

Work in elevating mass m through height h is equal to force times distance.

The force must be greater than the mass m's weight, hence F = mg.

Work done = mgh = gravitational potential energy

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Mass of the stone = 5kg

Equating ;

∴ 400 J = 5 kg × 9.8 m/s² × height

  Height = 8.16 m

Therefore, 8.16m is the required height.

Learn more about energy here:

brainly.com/question/1242059

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8 0
2 years ago
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