A 295 lb fullback runs the 40 yd dash at a speed of 19.3 ± 0.1 mi/h.

(a) What is his de Broglie wavelength (in meters)?
(b) What is the uncertainty in his position?

2 answers

wavelength = h/mv
You will need to convert 295 lbs to kg and convert 19.3 mi/hr into m/s.
ok what do you do for part b)