A Projectile Is Projected from the Origin with a Velocity

question 37

Multiple Choice

A projectile is projected from the origin with a velocity of 45.0 m/s at an angle of 30.0 degrees above the horizontal.What is the velocity when the projectile hits the ground?

• A) Vx = 35.7 m/s,Vy = -22.5 m/s
• B) Vx = 39.0 m/s,Vy = -22.5 m/s
• C) Vx = 35.7 m/s,Vy = -39.0 m/s
• D) Vx = 39.0 m/s,Vy = -35.7 m/s
• E) Vx = 22.5 m/s,Vy = -22.5 m/s

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Definitions:

Management by Objectives

A performance management approach where managers and employees work together to set, monitor, and achieve specific objectives.

Locke-Latham Goal-setting Model

A theory that suggests specific and challenging goals enhance task performance through principles of clarity, challenge, commitment, feedback, and task complexity.

Efficiency and Effectiveness

The degree to which tasks are accomplished in a timely, resource-saving manner while also achieving the desired outcomes.

Performance Requirements

Specific criteria or standards that must be met within a role or job, outlining the expected level of output or quality of work.