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timofeeve [1]
3 years ago
7

Red light Green light is used to work on what skill?

Physics
2 answers:
prisoha [69]3 years ago
6 0

Answer:

Dribbling

Explanation:

cuz yes, is answer took test

Talja [164]3 years ago
4 0
Running for sure ptttt
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Using energy considerations, calculate the average force (in N) a 67.0 kg sprinter exerts backward on the track to accelerate fr
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Answer:

F_{sprinter}=110.4N

Explanation:

Given data

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W=1/2mv_{f}^2-1/2mv_{i}^2\\F_{total}=\frac{1/2mv_{f}^2-1/2mv_{i}^2}{d} \\F_{total}=\frac{1/2(67.0kg)(8.00m/s)^2-1/2(67.0kg)(2.00m/s)^2}{25.0m} \\F_{total}=80.4N

and we know that the force the sprinter exerted Fsprinter the force of the headwind Fwind=30.0N

So

F_{sprinter}=F_{total}+F_{wind}\\F_{sprinter}=80.4N+30N\\F_{sprinter}=110.4N  

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