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daser333 [38]
3 years ago
14

Find the work performed when the given force f f is applied to an object, whose resulting motion is represented by the displacem

ent vector d
d. assume the force is in pounds and the displacement is measured in feet
Physics
1 answer:
Ahat [919]3 years ago
3 0

work = force x distance

fd foot pounds

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What is force <br>what is the importance of force​
frutty [35]

Force is the ability to cause masses to accelerate.

Without force, you could not make stuff accelerate.

If something was moving, you could not make it speed up, slow down, stop, or go in a different direction.

If a thing was not moving, you could not make it move at all.

6 0
2 years ago
Jake and Reuben are practicing for their weightlifting meet at school.
hammer [34]

Answer:

no Jake arm is high so the weight of an object become high due to potential energy.

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5 0
2 years ago
40 g of magnesium and 40 g of oxygen react in a chemical reaction in a close system which of the following must result
swat32

Answer:

Option "D" is the correct answer to the following question.

Explanation:

According to The law of conservation of mass, in a chemical reaction mass neither created nor destroyed.

So,

Total product = Mass of magnesium + Mass of oxygen

Total product = 40 gram + 40 gram

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Therefore, option "D" is the correct answer

6 0
3 years ago
A perceived increase in the volume of sound is best explained by ________.
tatiyna

Answer:

A. an increase in the height of the sound wave

Explanation:

Volume of the sound is measured by its intensity

So here we know that

intensity is directly depends on the square of the amplitude of the sound wave

so here as intensity depends on the loudness of the sound given as

L = 10 Log(\frac{I}{I_o})

so here as the loudness of sound will increase then the intensity will increase and hence the amplitude of the sound will also increase

So correct answer will be

A. an increase in the height of the sound wave

8 0
3 years ago
When are airplanes in motion
Sever21 [200]

Motion is always relative to something.

-- Relative to the moon, an airplane is ALWAYS in motion.

-- Relative to the ground, an airplane is in motion when it's taxiing or flying.

-- Relative to a bag of peanuts in its own galley, an airplane is NEVER in motion.


4 0
3 years ago
Read 2 more answers
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