The Wavelength of a 45-Kg Teenager Moving at 5 M/s

The wavelength of a 45-kg teenager moving at 5 m/s on a skateboard is about

A) 5 × 10−³⁷ m.
B) 3 × 10−³⁶ m.
C) 7 × 10−³⁴ m.
D) 0.1 m.
E) 5 m.