At What Speed Must an Object Be Moving in Order

question 13

Multiple Choice

At what speed must an object be moving in order that it has a kinetic energy 1.50 times its rest energy? (c = 3.00 x 10⁸ m/s)

• A)1.91 x 10⁸ m/s
• B)2.52 x 10⁸ m/s
• C)2.75 x 10⁸ m/s
• D)2.90 x 10⁸ m/s

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Definitions:

Intermediate Difficulty

A level of challenge that is neither too hard nor too easy, often considered optimal for learning and engagement.

Immediate Gratification

The desire to experience pleasure or fulfillment without delay or deferment, often prioritizing short-term rewards over long-term goals.

Affective Forecasting

The process of predicting how one will feel in the future, often with a focus on emotional reactions to specific events.

Compensatory Responses

Physiological reactions that occur in opposition to the effects of a drug or stimulus to maintain homeostasis.