A 75-Kg Swimmer Dives Horizontally Off a 500-Kg Raft

question 7

Multiple Choice

A 75-kg swimmer dives horizontally off a 500-kg raft.The diver's speed immediately after leaving the raft is 1.6 m/s.A micro-sensor system attached to the edge of the raft measures the time interval during which the diver applies an impulse to the raft just prior to leaving the raft surface.If the time interval is read as 0.20 s,what is the magnitude of the average horizontal force by diver on the raft?

• A) 900 N
• B) 450 N
• C) 600 N
• D) 1500 N

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Definitions:

Formal Play

Structured play activities that are governed by rules and often involve social interactions or competition.

Rejecting-neglecting

A parenting style characterized by a lack of responsiveness to a child's needs and a general disengagement from the child's life.

Permissive-indulgent

A parenting style characterized by high responsiveness but low demands, leading to fewer boundaries and rules.

Authoritarian

A leadership or governmental style characterized by strict obedience to authority and often a lack of personal freedoms.