A Hunter Points a Rifle Horizontally and Holds It 3

question 139

Short Answer

A hunter points a rifle horizontally and holds it 3.30 m above the ground. The bullet leaves the barrel at 325 m/s and experiences no significant air resistance. The acceleration due to gravity at this location is 9.80 m/s².
(a) How long does it take for the bullet to strike the ground?
(b) How far horizontally does it travel?

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Definitions:

Conditioned Fear Response

A learned fear reaction to a previously neutral stimulus that has been repeatedly presented along with an aversive stimulus.

Id

In psychoanalytic theory, the part of the mind that is the source of instinctive impulses that demand satisfaction.

Pleasure Principle

The driving force of the id that seeks immediate gratification of all desires, wants, and needs.

Secondary Process Thinking

A concept in psychoanalytic theory referring to the rational and conscious thought processes guided by reality.