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Lady_Fox [76]
3 years ago
13

A 140

Physics
1 answer:
Doss [256]3 years ago
7 0
There is not enough information given tl be able to solve this problem
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A physical change is a change to the physical properties of a substance. This type of change does
LiRa [457]

Answer:

False

Explanation:

5 0
3 years ago
A radio have a wavelength of 0.3m and travels at a speed of 300,000,000 m/s. What is the frequency of this wave?​
Ilya [14]

The frequency of the wave is 1\cdot 10^9 Hz

Explanation:

The frequency, the wavelength and the speed of a wave are related by the following equation:

c=f \lambda

where

c is the speed of the wave

f is the frequency

\lambda is the wavelength

For the radio wave in this problem,

\lambda = 0.3 m

c=300,000,000 m/s = 3\cdot 10^8 m/s

Therefore, the frequency is:

f=\frac{c}{\lambda}=\frac{3\cdot 10^8}{0.3}=1\cdot 10^9 Hz

Learn more about waves here:

brainly.com/question/5354733

brainly.com/question/9077368

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4 0
2 years ago
A zero on the kelvin temperature scale is called “absolute zero.” <br> a. true <br> b. false
ryzh [129]
True.
A zero on the Kelvin temperature scale is also know as Absolute Zero because that is when the atom(s) have literally no kinetic energy.
8 0
3 years ago
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What is the kinetic energy of a bike with a mass of 24 kg traveling at 3 m/s?
erastovalidia [21]

Answer:

KE = 1/2mv^2

KE = 1/2(24)(3^2)

KE = 12(9)

KE = 108 J

Let me know if this helps!

5 0
3 years ago
An experiment discovered that a particular material was a poor conductor of electricity. This material would most likely be used
LenaWriter [7]
<span>Someone’s mindset has a powerful influence on his/her perspective because a mindset __________.
</span><span><span>A.involves the way he/she is used to thinking about things </span><span>B.can easily be changed</span><span>C.is not affected by his/her values</span><span>D.<span>cannot be influenced by what happened to someone in the past</span></span></span>
8 0
3 years ago
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