A Sprinter Must Average 24

question 91

Multiple Choice

A sprinter must average 24.0 mi/h to win a 100-m dash in 9.30 s.What is his wavelength at this speed if his mass is 84.5 kg ? (h = 6.63 × 10^-34 J • s)

• A)7.31 × 10^-37 m
• B)3.26 × 10^-37 m
• C)5.08 × 10^-30 m
• D)1.34 × 10^-30 m
• E)None of these choices is correct.

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