a-12-5-g-bullet-is-fired-from-a-rifle-calculate-the-speed-the-bullet-needs-in-or

Question

A 12.5 g bullet is fired from a rifle. Calculate the speed the bullet needs in order to have a de Broglie wavelength of 3.5 nm.

Accepted Answer

1.5 × $$10^{–23} m/s$$

Answer

5.7 × $$10^{–23} m/s$$

Answer

2.6 × $$10^{–22} m/s$$

Answer

8.4 × $$10^{–22} m/s$$