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vagabundo [1.1K]
3 years ago
14

The amount of work done against friction to slide a box in a straight line across a uniform, horizontal floor depends most on th

e
Physics
2 answers:
Ivenika [448]3 years ago
7 0
Amount of force that is applied to the box
ozzi3 years ago
3 0

Answer: Distance the box is moved.

Explanation:

Work is defined as force per distance moved by the force.

Work is done when there is relative change in position of an object exerted by the force.

Mathematically W = force × distance.

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A tumble buggy travels on the ground for 8 seconds and travels 4 meters. What<br> was its speed?
boyakko [2]

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32 mph

Explanation:

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When asked how to create an electromagnet, the best answer would be:
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You can create an electromagnet by wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current."

Explanation:

Electromagnets are made by wrapping an insulated wire around a metal with ferromagnetic properties (example is iron), to form a loop, and then applying a current through the wire. Electromagnets can generate magnetism with a strong force field, and unlike normal magnets, their strength can be varied by varying the amount of current flowing through the coil. Their main disadvantage, which is also their most utilized property is that their magnetism is lost once the current flowing through the wire is cut-off.

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An object is dropped from a platform 100 feet high. Ignoring wind resistance, what will its speed be when it reaches the ground?
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<span>if we assume the origin is at the dropping point and the object is merely dropped and not thrown up or down then y0 = 0 and v0 = 0. The equation reduces to </span>

<span>y = 0 + 0t + ½gt² </span>
<span>y = ½gt² </span>

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<span>in the ft - lb - s system </span>

<span>y = -100 ft </span>
<span>g = -32.2 ft / s² </span>

<span>t = √(2y/g) </span>
<span>t = √(2(-100) / (-32.2)) </span>
<span>t = 2.5 s</span>
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3 years ago
Read 2 more answers
Which statement about elements and atoms is true?
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Atoms are the smallest unit of an element
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A 46 g domino slides down a 30 degrees incline at a constant speed. What is the coefficient of friction?
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Answer:

40

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30

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