A 20-Kg Particle Has an Initial Velocity of M/s

question 31

Multiple Choice

A 2.0-kg particle has an initial velocity of m/s. Some time later, its velocity is m/s. How much work was done by the resultant force during this time interval, assuming no energy is lost in the process?

• A) 17 J
• B) 49 J
• C) 19 J
• D) 53 J
• E) 27 J

Apply principles of proportions to solve for unknown quantities.

Understand and apply the concept of lowest terms in ratios.

Calculate the ratios of real-world quantities, including financial and material allocations.

Apply understanding of ratios and proportions to solve problems involving changes in scale.

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Definitions:

Conscious Feelings

Emotions and sensations that are within an individual's immediate awareness.

Life Instincts

In Freudian psychoanalysis, the forces or drives within an individual that are primarily geared towards survival, reproduction, and pleasure.

Unconsciousness

A state where a person is unable to respond to stimuli and lacks awareness of their surroundings.

Influence on Personality

The impact that environmental, genetic, and social factors have on the development of an individual's character traits and behavior.