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timofeeve [1]
2 years ago
8

Please help

Physics
1 answer:
V125BC [204]2 years ago
7 0

Answer:

her arm when she is throwing it

Explanation:

because that is the action

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Which of the following correctly describes the relative air pressure at the center of a hurricane, with respect to the horizonta
vampirchik [111]

Explanation:

The pressure of hurricane which is high decreases gradually as we move higher . The pressure is maximum at the surface . Hence the relative air pressure is higher at the surface and low at the top . Like wise the pressure is low at the center and keeps on increasing when we move outside . Hence the answer is pressure is high at surface and low aloft.

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3 years ago
An amateur astronomer grinds a double convex lens whose surfaces have radii of curvature of 40 cm and 60 cm. The glass has an in
DedPeter [7]

Answer:

44.4cm

Explanation:

glass has an index of refraction .n = 1.54

radii of curvature of 40 cm R1 = 40 by

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Now, by lens maker formula

1/f = (n - 1) (1/R1 - 1/R2)

Putting in the given values for n = 1.54 , we get f = 22.2

\frac{1}{f} = (1.54 -1) (\frac{1}{40cm} -\frac{1}{(-60cm)} )

\frac{1}{f} = 0.0225

f = 1 / 0.0225

f = 44.4cm

so, focal length in air will be  = 44.4 cm

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3 years ago
15) What is the momentum of a 280 kg motorcycle moving with a velocity of 15 m/s?
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Explanation:

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2 years ago
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slega [8]

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A camel can walk easily on sandy desert but a horse cannot, why?<br>plz anyone tell​
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