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OleMash [197]
3 years ago
12

Intense physical activity that requires little oxygen but uses short bursts of energy is called Anaerobic exercise? True or fals

e 
Physics
1 answer:
Ghella [55]3 years ago
8 0
I believe that is true. Anaerobic means without (much) Oxygen. This usually builds up lactic acid in muscles.
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2. A can filled with sand has a mass of 0.65kg is swung overhead in a horizontal circle of radius 0.70m at a constant rate of 2.
Aliun [14]
<h3><u>Answer</u>;</h3>

≈ 5 Kgm²/sec

<h3><u>Explanation</u>;</h3>

Angular momentum is given by the formula

L = Iω, where I is the moment of inertia and ω is the angular speed.

I = mr², where m is the mass and r is the radius

 = 0.65 × 0.7²

 = 0.3185

Angular speed, ω = v/r

                              = (2 × 3.142 × r × 2.5) r

                              =  15.71

Therefore;

Angular momentum =  Iω

                                 = 0.3185 × 15.71

                                 = 5.003635

                                 <u>≈ 5 Kgm²/sec</u>

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3 years ago
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s2008m [1.1K]
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3 years ago
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Volume of an block is 5 cm3. If the density of the block is 250 g/cm3, what is the mass of the block ?​
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Answer:

1.25kg

Explanation:

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4 0
3 years ago
Hydraulics uses _______ to change the size and/or direction of a force
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I know this the answer is <span>pressurized liquids if you go on quizlet they will always give you the answer just so you know</span>
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What will most likely happen if a sound wave moves from the air through a solid?
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Explanation:

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