A Sprinter Must Average 24

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?

A) 7.29* 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.