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Use the worked example above to help you solve this problem. (a) Compare the de Broglie wavelength for an electron (me = 9.11 10-31 kg) moving at a speed of 1.11 107 m/s with that of a baseball of mass 0.145 kg pitched at 44.7 m/s. ?e = m ?b = m (b) Compare these wavelengths with that of an electron traveling at 0.999c. m

Use the worked example above to help you solve this problem. (a) Compare the de Broglie wavelength for an electron (me = 9.11 10-31 kg) moving at a speed of 1.11 107 m/s with that of a baseball of mass 0.145 kg pitched at 44.7 m/s. ?e = m ?b = m (b) Compare these wavelengths with that of an electron traveling at 0.999c. m

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Use the worked example above to help you solve this problem.

(a) Compare the de Broglie wavelength for an electron (me = 9.11  10-31 kg) moving at a speed of 1.11  107 m/s with that of a baseball of mass 0.145 kg pitched at 44.7 m/s.
?e =  m
?b =  m


(b) Compare these wavelengths with that of an electron traveling at 0.999c.
 m
EXERCISEHINTS:  GETTING STARTED  |  I'M STUCK!
Find the de Broglie wavelength of a proton (mp = 1.67  10-27 kg) moving with a speed of 1.11  107 m/s.
?p =  m
PRACTICE IT Use the worked example above to help you solve this problem. (a) Compare the de Broglie wavelength for an electron (m of 1.11 x 107 m/s with that of a baseball of mass 0.145 kg pitched at 44.7 m/s. de 26 = = m m = 9.11 x 10-31 kg) moving at a speed m (b) Compare these wavelengths with that of an electron traveling at 0.999c. m Read It EXERCISE HINTS: GETTING STARTED | I'M STUCK! Find the de Broglie wavelength of a proton (m = 1.67 x 10-27 kg) moving with a speed of 1.11 x 107 m/s. Ap Need Help?
Transcribed Image Text:PRACTICE IT Use the worked example above to help you solve this problem. (a) Compare the de Broglie wavelength for an electron (m of 1.11 x 107 m/s with that of a baseball of mass 0.145 kg pitched at 44.7 m/s. de 26 = = m m = 9.11 x 10-31 kg) moving at a speed m (b) Compare these wavelengths with that of an electron traveling at 0.999c. m Read It EXERCISE HINTS: GETTING STARTED | I'M STUCK! Find the de Broglie wavelength of a proton (m = 1.67 x 10-27 kg) moving with a speed of 1.11 x 107 m/s. Ap Need Help?
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