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22-09-2019
Engineering

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Evaluate to three significant figures and using appropriate prefix: (354 mg)(45 km)/(0.0356 kN)

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MathPhys MathPhys

22-09-2019

Answer:

0.447 s²

Explanation:

First, convert to SI units.

(354 mg) (45 km) / (0.0356 kN)

(0.354 g) (45000 m) / (35.6 N)

One Newton is kg m/s²:

(0.354 g) (45000 m) / (35.6 kg m/s²)

(0.000354 kg) (45000 m) / (35.6 kg m/s²)

Simplify:

0.447 s²

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