How far will a runner travel if she had an average speed of 10 km/hour and runs for 2.1 hours?
2 answers:
10 Km.
Um I think you need to multiply 10 km by 2.1
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Answer:
Explanation:
E = σ/ε = (F/A) / (ΔL/L)
E = (mg/(πd²/4) / (ΔL/L)
E = (4mg/(πd²) / (ΔL/L)
E = 4Lmg/(πd²ΔL)
E = 4(30.0)(90)(9.8)/(π(0.01²)0.25)
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