Determine the velocity of a marble (m = 8.66 g) with a wavelength of 3.46 × 10-33 m. Chemistry Determine the velocity of a marble (m = 8.66 g) with a wavelength of 3.46 × 10-33 m. A) 45.2 m/s B) 11.3 m/s C) 22.1 m/s D) 38.8 m/s E) 52.9 m/s Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+