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erma4kov [3.2K]
3 years ago
9

Units called BEATS measure the loudness of sounds. true or false

Physics
2 answers:
erma4kov [3.2K]3 years ago
8 0

Answer: F

Explanation: the pulsation caused by the combination of two waves of slightly different frequencies.

gogolik [260]3 years ago
7 0

Answer:

False.

Explanation:

Decibels (dB) measure sound levels

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Emerging adults are typically financially independent from their parents.<br> True or false?
zmey [24]

Answer:

False

Explanation:

According to USA today "Though nearly 60% of the 18 to 21 year olds surveyed said they have a job, and 70% of the 22 to 26 year olds said the same, many seem to rely on mom and dad to fund non-essential expenses. Nearly 75% of the 18 to 21 year olds and more than 40% of 22 to 26 year olds said their parents pay their monthly cell phone bill. Just 54% of 22 to 26 year olds own or lease their own car; and 43% of 22 to 26 year olds are living at home with their parents."

5 0
3 years ago
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Heat in the amount of 100 kJ is transferred directly from a hot reservoir at 1320 K to a cold reservoir at 600 K. Calculate the
Zinaida [17]

Answer:0.0909 kJ/K

Explanation:

Given

Temperature of hot Reservoir T_h=1320 K

Temperature of cold Reservoir T_l=600 K

Heat of 100 kJ is transferred form hot reservoir to cold reservoir

Hot Reservoir is Rejecting heat therefore Q_1=-100 kJ

Heat is added to Reservoir therefore Q_2=100 kJ

Entropy change for system

\Delta s=\frac{Q_1}{T_1}+\frac{Q_2}{T_2}

\Delta s=\frac{-100}{1320}+\frac{100}{600}

\Delta s=-0.0757+0.1666=0.0909 kJ/K

As entropy change is Positive therefore entropy Principle is satisfied

         

4 0
3 years ago
What is the relationship between the internal energy of a substance and its state of matter? A) As a gas loses internal energy i
babymother [125]
D)<span>As the internal energy increases a substance would go from solid to a liquid.</span>
4 0
3 years ago
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3. Which of the following magnetic scenarios will repel each
Nastasia [14]

Answer:

option C (1 and 4)

Explanation:

Like poles repel each other, unlike poles attract each other

7 0
3 years ago
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What is the atomic mass of an element?
Alina [70]

Atomic mass is the mass of an atom, particle, or molecule. The atomic mass is determined by the number of protons and neutrons in the atom. For example, Oxygen has 8 protons (as seen by the atomic number) and 8 neutrons which gives oxygen an atomic mass of 16.

5 0
3 years ago
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