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tangare [24]
2 years ago
13

When work is done by an applied force, the object's energy will change. In this Interactive, does the work cause a kinetic energ

y change or a potential energy change?
Physics
1 answer:
Alex73 [517]2 years ago
6 0

Answer:

Explanation:

According to the work energy theorem, the work done by all the forces by a body is equal to the change in kinetic energy of the body.

Work done = change in kinetic energy

W = Final kinetic energy - initial kinetic energy

So, work causes change in kinetic energy.

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I believe is 10 lb if not it's 9 lb.
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According to the law of universal gravitation, gravity is the force keeping objects in the universe in their relative positions.
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Answer true

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There have been several proposed atomic models during the last 150 years. Which model best illustrates the Bohr model. This mode
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pitot tube on an airplane flying at a standard sea level reads 1.07 x 105 N/m2. What is the velocity of the airplane?
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Answer:

V_infinty=98.772 m/s

Explanation:

complete question is:

The following problem assume an inviscid, incompressible flow. Also, standard sea level density and pressure are 1.23kg/m3(0.002377slug/ft3) and 1.01imes105N/m2(2116lb/ft2), respectively. A Pitot tube on an airplane flying at standard sea level reads 1.07imes105N/m2. What is the velocity of the airplane?

<u>solution:</u>

<u>given:</u>

<em>p_o=1.07*10^5 N/m^2</em>

<em>ρ_infinity=1.23 kg/m^2</em>

<em>p_infinity=1.01*10^5 N/m^2</em>

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8 0
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Which statement best explains why an object appears green in sunlight?
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This question is incomplete, the options are:

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The answer is D.

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Light is an electromagnetic wave that contains different colours at different wavelength. The colour of light that is seen depends on the wavelength of light that is REFLECTED, while other wavelengths of light are ABSORBED. This feature is dependent on the properties of each object that received the sunlight.

For example, an object will appear GREEN because it has properties that enables it to REFLECT most of the GREEN LIGHT but absorbs most of the RED AND BLUE LIGHT in the sunlight passing through the object.

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