What is the de-Broglie wavelength of a bullet of mass 0.040 kg travelling at a speed of 1.0 km/sec ?

Explanation

To find the de-Broglie wavelength of a bullet, we can use the de-Broglie wavelength formula:

\[ \lambda = \frac{h}{p} \]

where:
- \(\lambda\) is the de-Broglie wavelength,
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