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Alekssandra [29.7K]
3 years ago
8

Aerobic exercise is exercise where oxygen is not present.

Physics
1 answer:
Alex17521 [72]3 years ago
4 0
I say it is false that is the correct answer

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How fast must the space shuttle go to cover 20,000 meters in 4.0 seconds?
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5000 m/s

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A shot-putter accelerates a 7.2 kg shot from rest to 17 m/s . what work did the shot-putter do on the ball?
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<span>1.0x10^3 Joules The kinetic energy a body has is expressed as the equation E = 0.5 M V^2 where E = Energy M = Mass V = Velocity Since the shot was at rest, the initial energy is 0. Let's calculate the energy that the shot has while in motion E = 0.5 * 7.2 kg * (17 m/s)^2 E = 3.6 kg * 289 m^2/s^2 E = 1040.4 kg*m^2/s^2 E = 1040.4 J So the work performed on the shot was 1040.4 Joules. Rounding the result to 2 significant figures gives 1.0x10^3 Joules</span>
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PLEASE PRESS THE “Thanks!” BUTTON! :)
13 g —> 0.013 kg
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