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3 years ago

15

Apply Newton's first law to each of the following situations. In which situations can you conclude that the object is undergoing

a net interaction with one or more other objects? A car travels at constant speed around a circular race track.

1 answer:

Vsevolod [243]3 years ago

8 0

You only list one situation, are there any more?

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What is the frequency of sound waves whose wavelength is 0.25 m on a day when the air temperature is 25 degree Celsius? Group of

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Answer:1384 Hz

Explanation:

Given

wavelength $(\lambda )$ =0.25 m

Temperature T $=25^{\circ}$

at $T=25^{\circ}$ velocity of sound is 346 m/s

and we know

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$v=f\times \lambda$

$346=f\times 0.25$

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If m represent mass in kg, v represents speed in m/s and r represents radius in m show F in the formula F= (mv^2)/r can be expre

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M <span>represent mass in kg
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</span><span>r represents radius in m

Now, just substitute these into the formula:
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