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erik [133]
4 years ago
8

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

Physics
1 answer:
kotegsom [21]4 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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A straight, nonconducting plastic wire 8.00 cm long carries a charge density of 100 nC/m distributed uniformly along its length.
Sphinxa [80]

Answer:

(A) 16641 N/C (B) 72000 N/C

Explanation:

We have given the length of the wire = 8 cm =0.08 m

Charge density = 100 nC/m

So charge = 100 ×0.08 = 8 nC =8\times 10^{-9}C

(A) Electric field E that produce 6 cm directly above its midpoint will be

E=\frac{KQ}{X\sqrt{X^2+a^2}}=\frac{9\times 10^9\times 8\times 10^{-9}}{0.06\sqrt{0.06^2+(\frac{0.08}{2})^2}}=16641N/C

Here X is the distance where we have to find the electric field

(B) Now electric field due to flat ring will be

E=\frac{KQX}{(X^2+a^2)^\frac{3}{2}}

Here X is the distance where we have to find the electric field

So E=\frac{9\times 10^9\times 8\times 10^{-9}}{(0.06^2+0.08^2)^\frac{3}{2}}=72000N/C

7 0
4 years ago
The diagram shows the apparent motion of the sun across the sky?
tia_tia [17]
The answer is “B” hope I helped
6 0
3 years ago
Read 2 more answers
In a step-down transformer, which describes the primary winding compared with the secondary winding? A higher voltage and fewer
kirill115 [55]
B. Higher voltage and more coils of wire :)

7 0
3 years ago
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1. Calculate the power it takes for a 583 N student to climb up1.5 m stairs in 2.1 seconds. (find work first!)GivenFormulaSubsti
Tanzania [10]

Given data

*The given force is F = 583 N

*The given distance is s = 1.5 m

*The given time is t = 2.1 s

The formula for the power it takes for a 583 N student to climb up 1.5 m stairs in 2.1 seconds is given as

P=\frac{F\mathrm{}s}{t}

Substitute the known values in the above expression as

\begin{gathered} P=\frac{(583)(1.5)}{(2.1)} \\ =416.42\text{ W} \end{gathered}

Hence, the power it takes for a 583 N student to climb up 1.5 m stairs in 2.1 seconds is P = 416.42 W

3 0
1 year ago
As more resistors are added in series across a constant voltage source, the power supplied by the source: A) does not change. B)
Anon25 [30]

As series resistors are added, the resistance is added directly so the total resistance will be equal to

R_T = R_1+R_2+R_3... R_{\infty}

Since the power is determined as

P = \frac{V^2}{R}

We have there that

P \propto \frac{1}{R}

The power is inversely proportional to the increase in resistance, so it will tend to decrease as more resistors are added in series.

The correct answer is: C.

4 0
3 years ago
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