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Effectus [21]
3 years ago
5

Sound waves are_________Waves.

Physics
2 answers:
Dominik [7]3 years ago
5 0
The answer would be b. mechanical waves
Anastasy [175]3 years ago
4 0
Sound waves are mechanical(?) waves?
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What are the magnitude and direction of the acceleration of an electron at a point where the electric field has magnitude 7400 N
bezimeni [28]

Answer: a = 1.32 * 10^18m/s² due north

Explanation: The magnitude of the force required to move the electron is given as

F = ma

The force exerted on the charge by the electric field of intensity (E) is given by

F = Eq

Thus

Eq = ma

a = E * q/ m

Where a = acceleration of charge

E = strength of electric field = 7400N/c

q = magnitude of electronic charge = 1.609 * 10^-6c

m = mass of an electronic charge = 9.109 * 10^-31kg

a = 7400 * 1.609 * 10^-16/ 9.109 * 10^-31

a = 11906.6 * 10^-16 / 9.019 * 10^-31

a = 1.19 * 10^-12 / 9.019 * 10^-31

a = 0.132 * 10^19

a = 1.32 * 10^18m/s²

As stated in the question, the direction of the electric field is due north hence, the direction of it force will also be north thus making the electron experience a force due north ( according to Newton second law of motion)

5 0
3 years ago
Which statement best describes the size of the outer planets? All the outer planets are large. All the outer planets, except Sat
Jet001 [13]

Answer: a all the outer planets are large

Explanation: because i have the smarts

3 0
3 years ago
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A machine does 1200 J of work in 1 min. What is the power developed
densk [106]

Answer:

20 watts

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Now put that book 5 feet in the air. What kind of energy does the book have? Explain.
erastova [34]

Answer:

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The book is put 5 feet in the air, which means 5 feet above the ground. An object which is located to a certain height above the ground possesses a form of energy called gravitational potential energy, which is the energy due to the fact that the object has "potential" to transform this energy into other forms of energy (e.g. kinetic energy, if the book is released and it starts moving).

The value of the gravitational potential energy of the object is given by the formula:

U=mgh

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h is the height of the book above the ground (in this case, 5 feet)

So, we see that the gravitational potential energy is proportional to both the mass and the height of the object.

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4 years ago
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Afina-wow [57]

Answer:

Gamma waves are transmitted by ...... body tissues with very little absorption

Hope it helps

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3 years ago
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