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3 years ago

What is the frequency of a wave that has a period of 0.002 seconds?

Physics

1 answer:

Alona [7]3 years ago

8 0

Answer:

The frequency of a wave whose time period is 0.002 second is 500 Hz

Explanation:

Given,

Time period of wave = 0.002 seconds

We know,

Frequency = 1 / Time period

Substituting the values;

= 1 / 0.002sec

= 1000/2

Frequency = 500Hz

Hence,

The frequency of a wave whose time period is 0.002 second is 500 Hz

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Many flashlights are powered by a stack of batteries that are slid into the end of the flashlight one after another. Suppose you

Basile [38]

Answer:

The current through the bulb when the flashlight is turned on is 0.55 A.

Explanation:

Given that,

You have a flashlight that takes four ideal 1.5 V batteries, voltage of the flashlight, V = 6 V

The resistance of bulb, R = 11 ohms

We need to find the current through the bulb when the flashlight is turned on. As per Ohms's law :

V = IR

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So, the current through the bulb when the flashlight is turned on is 0.55 A. Hence, this is the required solution.

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3 years ago

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Answer: D

Explanation: cause movement

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2 years ago

a ball is dropped from rest at a height of 80 m above the ground. what is the speed just as it hits the ground?

Ghella [55]

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Δx=80
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4 years ago

The mass of a sample of sodium bicarbonate is 2. 1 kilograms (kg). There are 1,000 grams (g) in 1 kg, and 1 Times. 109 nanograms

slega [8]

2.1 kg of sodium bicarbonate is equal to the 2.1 x 10¹² ng of sample. Option D is correct.

Mass is the quantity of the substance in the body or object. The SI unit of mass is Kilogram.

There are other units of measure,

Milligram: 1 g is equal to the $\bold {10^3 \ mg}$

Micro-gram: 1 g is equal to $\bold {10^{6} \ \mu g}$

Nano-gram: 1 g is is equal to $\bold {10^{9} \ ng}$

First convert kg to gram,

Since, 1 Kg = 1000 g

2.1 kg = grams of sample

So,

Do the cross multiplication,

$\rm mass\ of\ sample = \dfrac {2.1\ kg \times 1000\ g }{ 1 kg}\\\\\rm mass\ of\ sample =2100 g$

Now, convert 2100 g to nano-grams

Since, 1 g = 1 x 10⁹ ng

2100 g = ng of sample

So,

Do the cross multiplication,

$\rm mass\ of\ sample = \dfrac {2100 g \times 1 \times 10^9 ng }{1\ g}\\\\\rm mass\ of\ sample = 2.1 \times 10^1^2 ng$

Therefore, 2.1 kg of sodium bicarbonate is equal to the 2.1 x 10¹² ng of sample.

To know more about Mass units,

brainly.com/question/489186

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3 years ago

The PVT behavior of a certain gas is described by the equation of state: P(V − b) = RT where b is a constant. If in addition CV

alexdok [17]

Answer:

shown in the attachment

Explanation:

The detailed step by step and necessary mathematical application is as shown in the attachment.

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