Calculate the de Broglie wavelength of a 143-g baseball traveling at 89 mph. Express your answer in meters to two significant figures.
Added by Purificaci-N O.
Step 1
Mass: 143 g = 0.143 kg Speed: 89 mph = 89 * 1609.34 / 3600 = 39.92 m/s Now, we can use the de Broglie wavelength formula: λ = h / (m * v) where λ is the wavelength, h is the Planck's constant (6.626 x 10^-34 Js), m is the mass of the baseball, and v is its Show more…
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