A daredevil’s favorite trick is the step out of a 16 ^th story window and fall 50.0 m into a pool. A news reporter takes a picture of the 75.0 kg daredevil just before he makes a splash, using an exposure time of 5.00 ms. Find (a) the daredevil’s de Broglie wavelength at this moment, (b) the uncertainly of his kinetic energy measurement during the 5.00 ms time interval, and (c) the percent error caused by such an uncertainty.