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earnstyle [38]
3 years ago
15

Forces that are opposite and equal are

Physics
1 answer:
Kisachek [45]3 years ago
6 0

Answer:

space

Explanation:

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A 70 kg human sprinter can accelerate from rest to 10 m/s in 3.0 s. During the same time interval, a 30 kg greyhound can go from
ladessa [460]

Answer:

P_1 = 1166.7 Watt

P_2 = 2000 Watt

Explanation:

Average power for the human sprinter is given as

Power = \frac{\Delta E}{\Delta t}

so we have

P = \frac{\frac{1}{2}mv^2 - 0}{\Delta t}

P = \frac{\frac{1}{2}(70)(10^2) - 0}{3}

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Average power for greyhound is given as

P = \frac{\frac{1}{2}mv^2 - 0}{\Delta t}

P = \frac{\frac{1}{2}(30)(20^2) - 0}{3}

P_2 = 2000 Watt

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According to this equation, F=ma, how much force is needed to accelerate an 82-kg runner at 7.5m/s2?
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If wave ripples move across a pond from left to right, in which direction are the water molecules moving?
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