A Hockey Puck Slides Off the Edge of a Horizontal

question 153

Multiple Choice

A hockey puck slides off the edge of a horizontal platform with an initial velocity of 20 m/s horizontally and experiences no significant air resistance. The height of the platform above the
Ground is 2.0 m. What is the magnitude of the vertical component of the velocity of the puck just
Before it hits the ground?

• A) 15 m/s
• B) 21 m/s
• C) 6.3 m/s
• D) 20 m/s
• E) 13 m/s

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Definitions:

Time Clocks

Devices used by employers to record the number of hours worked by employees, ensuring accurate tracking of time for payroll purposes.

Incentive Conflict

A situation where parties have different, competing goals. In agency relationships, the different goals of principals and agents is an example of incentive conflict.

Agent

A person who acts on behalf of another individual (a principal). Principal–agent problems are created by the incentive conflict between principals and agents.

Principal

An individual who hires another (an agent) to act on his or her behalf.