A Motor Develops Power as Shown in the Graph

question 22

Multiple Choice

A motor develops power as shown in the graph. The energy expended by the motor in the time interval between t = 10 s and t = 30 s is

• A) 1.0 J
• B) 1.3 J
• C) 0.20 kJ
• D) 0.60 kJ
• E) 0.70 kJ

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Definitions:

Optimum Point

The most advantageous position or condition that can be achieved in a given circumstance or under certain parameters.

Frozen Yogurt

A dessert made from yogurt and sometimes other dairy products that is frozen and has a taste and texture similar to ice cream.

Indifference Map

A graphical representation of different bundles of goods between which a consumer is indifferent.

Marginal Rate of Substitution

The pace at which a consumer is capable of sacrificing some portion of one item to obtain a different item, without altering their overall happiness.