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Artemon [7]
3 years ago
8

Q:Why does a sheet of sandpaper become warm when you rub it against a wooden board?

Physics
2 answers:
otez555 [7]3 years ago
7 0

Answer: D and friction

Explanation:

PLz brainliest

avanturin [10]3 years ago
4 0

Answer:

D. The mechanical energy of the moving sandpaper is converted to thermal energy

Explanation:

The friction between wood and sandpaper moves quickly and can warm up... the friction causing the heat.

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A mass attached to a spring is displaced from its equilibrium position by 5cm and released. The system then oscillates in simple
aliina [53]

Answer:

T= 1 s

Explanation:

Given that

When x=  cm ,T= 1

we know that time period of spring mas system given as

T=2\pi \sqrt{\dfrac{m}{k}}

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m= mass

k=spring constant

So from above equation we can say that time period of system does not depends on the value of x.

So when x= 10 cm ,still time period will be 1 s.

T= 1 s

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MrMuchimi

Answer:

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Explanation:

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7 0
3 years ago
Why is there a wet climate on the windward side of a tall mountain and a dry climate on the leeward side?
Eduardwww [97]

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3 0
3 years ago
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If you walk 4mi north and then 2mi south what is your total displacement?
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