How Many Times Longer Is the De Broglie Wavelength of a Helium

question 21

Multiple Choice

How many times longer is the de Broglie wavelength of a helium atom (6.647 $\times$ 10^-27kg) moving at 220 m/s than that of a baseball (0.145 kg) moving at 35 m/s?

• A)3.5 \(\times\) 10²⁴
• B)2.2 \(\times\) 10²⁵
• C)9.5 \(\times\) 10³³
• D)1.5 \(\times\) 10⁹
• E)3.7 \(\times\) 10³⁴

Comprehend the role of peer relationships in child development.

Recognize factors influencing family dynamics and their impact on children.

Understand child culture and its transmission across ages.

Grasp the societal and psychological factors that lead to aggression and rejection among children.

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