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3 years ago

How to Identify Newtons Three Laws in my Own Words?

Physics

1 answer:

ipn [44]3 years ago

5 0

I understand the struggle. Here's a way to do it.

Identify Newton's Three Laws, and let it be important that you understand what you're reading. If there's a passage, read the passage/text and look for any important detail you should add to your piece, and add any information you have learned from the passage/text and put it into your own words. You should make sure that the information you've written down is consistent with the passage/text and that your phrasing is not too close to the original.

-I anticipate that this would help you.

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Which material is the best heat insulator? metal wood plastic glass

OlgaM077 [116]

Of the materials listed wood is the best insulator. It would be the least hot if exposed to similar temperatures.

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2 years ago

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Two loudspeakers are 1.60 m apart. A person stands 3.00 m from one speaker and 3.50 m from the other. (a) What is the lowest fre

VMariaS [17]

Answer:

Explanation:

Given

Distance between two loud speakers $d=1.6\ m$

Distance of person from one speaker $x_1=3\ m$

Distance of person from second speaker $x_2=3.5\ m$

Path difference between the waves is given by

$x_2-x_1=(2m+1)\cdot \frac{\lambda }{2}$

for destructive interference m=0 I.e.

$x_2-x_1=\frac{\lambda }{2}$

$3.5-3=\frac{\lambda }{2}$

$\lambda =0.5\times 2$

$\lambda =1\ m$

frequency is given by

$f=\frac{v}{\lambda }$

where $v=velocity\ of\ sound\ (v=343\ m/s)$

$f=\frac{343}{1}=343\ Hz$

For next frequency which will cause destructive interference is

i.e. $m=1$ and $m=2$

$3.5-3=\frac{2\cdot 1+1}{2}\cdot \lambda$

$\lambda =\frac{1}{3}\ m$

frequency corresponding to this is

$f_2=\frac{343}{\frac{1}{3}}=1029\ Hz$

for $m=2$

$3.5-3=\frac{5}{2}\cdot \lambda$

$\lambda =\frac{1}{5}\ m$

Frequency corresponding to this wavelength

$f_3=\frac{343}{\frac{1}{5}}$

$f_3=1715\ Hz$

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3 years ago

The poles of the Earth's magnetic field line up with the geographic poles of the Earth.

Varvara68 [4.7K]

Answer: False

Explanation: A magnetic compass does not point to the geographic north pole. A magnetic compass points to the earth's magnetic poles, which are not the same as earth's geographic poles. Furthermore, the magnetic pole near earth's geographic north pole is actually the south magnetic pole.

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3 years ago

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You drop a basketball (Mass = 0.5 kg) and a medicine ball (mass = 5 kg) from the window of the leaning tower of Pisa. Assuming t

erastova [34]

The medicine ball wall hit the ground faster, if that makes sense to you

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2 years ago

Which is purely physical and which is both physical and chemical

algol [13]

Physical is when something is changed by not changeing its compond like if u melt an ice cube its still that same material and was not changed by something else and and chemical change is when something is changed my acids or changes completly like rusting iron or acid rain and burning stuff

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2 years ago