A 50-Kg Mass with an Initial Velocity of 4

question 38

Multiple Choice

A 5.0-kg mass with an initial velocity of 4.0 m/s, east collides with a 4.0-kg mass with an initial velocity of 3.0 m/s, west. After the collision the 5.0-kg mass has a velocity of 1.2 m/s, south. What is the magnitude of the velocity of the 4.0-kg mass after the collision?

• A) 2.0 m/s
• B) 1.5 m/s
• C) 1.0 m/s
• D) 2.5 m/s
• E) 3.0 m/s

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Definitions:

Phobia

An extreme or irrational fear of or aversion to something, which can significantly impact a person's quality of life.

Illogical Fear

An irrational fear, often referred to as a phobia, that does not have a basis in reason or reality.

Anxiety Disorder

A psychiatric disorder marked by ongoing, intense concern, dread, or nervousness that disrupts regular life functions.

Illogical Fear

An irrational or disproportionate fear of objects, situations, or events with no logical basis.