A change in a physical quantity w having initial value w_i and final value w_f is given by which of the following? A)w_i − w_f B)w_f − w_i C)(w_f + w_i)/2 D)none of the above

Name: A change in a physical quantity w having initial value w i and final value w f is given by which of the following? A)w i − w f B)w f − w i C)(w f + w i )/2 D)none of the above
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The equation for the change in a physical quantity is final value minus initial value. Therefore, the correct choice is B: w_f − w_i.

A Change in a Physical Quantity W Having Initial Value