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3 years ago

What is the period of vibration for a wave with a frequency of 100 hertz?

Physics

2 answers:

Taya2010 [7]3 years ago

5 0

Answer:

100 seconds

Hope this Helps :)

Dmitriy789 [7]3 years ago

3 0

The number of back-and-forth vibrations in a unit of time is an object's frequency. A complete back-and-forth vibration is one cycle. 1 Hz is one vibration or wave cycle per second!

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Johannes Keller’s theory was based upon analysis of planet observations taken by tycoon Brahe

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I would say The answer is false

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3 years ago

A box rests on the (horizontal) back of a truck. The coefficient of static friction between the box and the surface on which it

vredina [299]

Answer:

The distance is 11 m.

Explanation:

Given that,

Friction coefficient = 0.24

Time = 3.0 s

Initial velocity = 0

We need to calculate the acceleration

Using newton's second law

$F = ma$ ...(I)

Using formula of friction force

$F= \mu m g$ ....(II)

Put the value of F in the equation (II) from equation (I)

$ma=\mu mg$ ....(III)

$a = \mu g$

Put the value in the equation (III)

$a=0.24\times9.8$

$a=2.352\ m/s^2$

We need to calculate the distance,

Using equation of motion

$s = ut+\dfrac{1}{2}at^2$

$s=0+\dfrac{1}{2}2.352\times(3.0)^2$

$s=10.584\ m\ approx\ 11\ m$

Hence, The distance is 11 m.

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3 years ago

Increased________will lower viscosity

MrRa [10]

The answer is high temperatures

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3 years ago

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Moving with a speed of v km/hour, a train travels the distance between the points A and B, which is 600 km, in t hours. Find the

NARA [144]

<h2>Formula which describes v in terms of t is $v=\frac{600}{t}km/hr$ </h2>

Explanation:

A train travels the distance between the points A and B, which is 600 km

Distance between A and B = 600 km

Speed of train = v

Time taken by train = t

We know that

Distance traveled = Speed of travel x Time taken

600 = v x t

$v=\frac{600}{t}km/hr$

Formula which describes v in terms of t is $v=\frac{600}{t}km/hr$

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3 years ago

Radio waves travel at the speed of light, which is 3.00 u 108 m/s. How many kilometers will radio messages travel in exactly one

egoroff_w [7]

Answer:

Distance traveled will be $9.462\times 10^{12}km$

Explanation:

We have given speed of the light $v=3\times 10^8m/sec$

We have to find the distance traveled by light in 1 year

We know that 1 year = 8760 hour

And 1 hour = 60×60 = 3600 sec

So 1 year $=8760\times 3600=3.154\times 10^{7}sec$

We know that distance = speed × time

So distance traveled by light in one year $=3.154\times 10^7\times 3\times 10^8=9.462\times 10^{15}m$

We have to fond the distance in km

As we know that 1 km = 1000 m

So $9.462\times 10^{15}m=\frac{9.462\times 10^{15}}{1000}=9.462\times 10^{12}km$

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3 years ago

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