Calculate the de Broglie wavelength of the following.

(a) An electron moving at a speed of 1.08×103 m s-1.

(b) A proton moving at a speed of 1.08×103 m s-1.

(c) A baseball with a mass of 147 grams moving at a speed of 33.1 m s-1.

(a) Wavelength electron = 

 m

(b) Wavelength proton = 

 m

(c) Wavelength baseball = 

 m