2 years ago

What causes global winds?

Physics

1 answer:

11111nata11111 [884]2 years ago

8 0

A: Temperature difference between air over land and air over water

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X-rays with frequency 3 ⨉ 10 18 Hz shine on a crystal, producing an interference pattern. If the first bright spot is observed a

FrozenT [24]

Answer:

$5.1645\times 10^{-11}\ m$

Explanation:

n = Order = 1

c = Speed of light = $3\times 10^8\ m/s$

f = Frequency = $3\times 10^{18}\ Hz$

$\theta$ = Angle = $75.5^{\circ}$

Lattice spacing is given by

$d=\dfrac{n\lambda}{2\sin\theta}\\\Rightarrow d=\dfrac{n\times c}{f2\sin\theta}\\\Rightarrow d=\dfrac{1\times 3\times 10^{8}}{3\times 10^{18}\times 2\times \sin75.5^{\circ}}\\\Rightarrow d=5.1645\times 10^{-11}\ m$

The lattice spacing of the crystal is $5.1645\times 10^{-11}\ m$

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3 years ago

1.2miles=__________km

ioda

Answer:

1.931 kilometres is the answer of 1.2 miles

7 0

3 years ago

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a man applies a force of 100n to a rock for 60 seconds but the rock does not move what is the amount of work done by the man on

Phoenix [80]

0 (zero) work done.

This is because work can be calculated by:

Work = Force × Distance

The force is 100 N and since the rock didn't move the distance is zero and so:

Work = 100 × 0 = 0 J

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3 years ago

Balances are used to measure what a. Mass of an object b. Volume c. Force acting upon it d. Level surfaces on the table

suter [353]

<span>a. Mass of an object </span>

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3 years ago

A gas takes up a volume of 17.0 L, has a pressure of 2.30 atm, and a temperature of 299 K. If the temperature is raised to 350.0

Maurinko [17]

Answer:

new volume = 30.513L

Explanation:

V1 =17L , P1= 2.3atm , T1=299K , T2=350K , P2 =1.5atm, V2=?

To find the new volume of the gas we will use the combined gas law.

The combined gas law combines Boyle's law, Charles law and Gay-Lussac's law. Its states that the ratio of the product of pressure and volume to temperature is equal to a constant. its expressed mathematically below.

$\frac{V1P1}{T1} = \frac{V2P2}{T2}$

$V2 =\frac{V1P1T2}{P2T1}$

$V2 =\frac{17*2.3*350}{1.5*299}$

$v2 = \frac{13685}{448.5}$

V2 =30.513L

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3 years ago

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