3 years ago

What caused Hurricane Sandy to weaken on October 30th and October 31st?

Physics

1 answer:

kotegsom [21]3 years ago

8 0

Answer:

It made landfall.

Explanation:

On land there is more friction than in open water, so it slowed down the hurricane.

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yes

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2 years ago

Peter designed a road with a curve of radius 30 m that is banked so that a 950 kg car traveling at 40.0 km/h can round it even i

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Answer:

$v = 15.56 m/s$

$v = 56 km/h$

Explanation:

When coefficient of friction is approximately zero then we have

$F_ncos\theta = mg$

$F_n sin\theta = \frac{mv^2}{R}$

$tan\theta = \frac{v^2}{Rg}$

here we know that

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R = 30 m

$tan\theta = \frac{11.11^2}{30\times 9.81}$

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now when friction coefficient is 0.30 then we have

$F_n cos\theta = mg + F_f sin\theta$

$F_f cos\theta + F_n sin\theta = \frac{mv^2}{R}$

now we have

$v = \sqrt{Rg(\frac{\mu + tan\theta}{1 - \mu tan\theta})}$

$v = \sqrt{30(9.81)(\frac{0.30 + tan22.75}{1 - (0.30) tan22.75})}$

$v = 15.56 m/s$

$v = 56 km/h$

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2 years ago

The capacitor is now reconnected to the battery, and the plate separation is restored to d. A dielectric plate is slowly moved i

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Answer:

U2 = KAε0V2 / (2d)

Explanation:

The dielectric constant K just replaces the "3″ from Part B.

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3 years ago

Which of the following factors affects the pressure of an enclosed gas?

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It would be d all of the above

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2 years ago

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