Answer:
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Momentum can be defined by the formula p=m*V (where m is mass and V is velocity) so if we plug in these numbers:
p = 2kg * 6m/s
p = 12 kgm/s
Potential difference is difference of potential (between points).
9.4 × 10⁻¹⁹ J. (2 sig. fig).
<h3>Explanation</h3>
The kinetic energy of an object depends on its mass and its speed. Mass is given for this neutron. However, the speed of the neutron needs to be found.
What's the speed of this neutron?
(3 sig. fig. Speed is an intermediate quantity. Include at least one more sig. fig. for the value of kinetic energy to be accurate to 2 sig. fig.)
What's the kinetic energy of this neutron?
,
where
- is the mass of the object, and
- is the speed of the object.
.
(2 sig. fig as in mass, distance travelled, and time).