A Proton That Is Moving Freely Has a Wavelength Of 0.600

Short Answer

A proton that is moving freely has a wavelength of $0.600 \mathrm { pm }$ . ( $m _ { \text {proton } } = 1.67 \times 10 ^ { - 27 } \mathrm {~kg}$ ,
$$\left. e = 1.60 \times 10 ^ { - 19 } \mathrm { C } , h = 6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } \right)$$
(a) What is its momentum?
(b) What is its speed?
(c) What potential difference would it have been accelerated through, starting from rest, to reach this speed?