A Small Dust Particle of Mass 7

question 49

Short Answer

A small dust particle of mass 7.90 × 10^-6 g is being observed under a magnifying lens.Its position is determined to within 0.0050 mm.(1 y = 3.156 × 10⁷ s, (a)Find the minimum uncertainty in its velocity implied by the uncertainty in its position.
(b)Assuming the dust particle is moving at the speed you just found,how many years would it take for the particle to move 1.0 mm?

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Definitions:

Community Resources

Various forms of support and facilities available within a community that can provide assistance and services to its members.

Displacement

In psychology, a defense mechanism where a person redirects emotional feelings, often anger, from their original source to a less threatening target.

Repressed Motives

Desires or drives that have been pushed into the unconscious because they are considered unacceptable or uncomfortable.

Substitute Object

An alternative that replaces or serves in place of an original item or concept.