A 20-Kg Object,initially at Rest at the Origin of X-Y Coordinate

question 36

Multiple Choice

A 2.0-kg object,initially at rest at the origin of x-y coordinate system,is subjected to two forces,F_x in the positive x-direction,and F_y in the positive y-direction,whose time-varying magnitudes are shown in graphs below.What is the direction in which the object is travelling at t = 2 s?

• A)24.6º
• B)36.6º
• C)72.6º
• D)81.6º
• E)57.6º

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Definitions:

Short Run

A time period in economics during which at least one factor of production is considered fixed, limiting the ability of the economy or firm to adjust to changes.

Fixed Inputs

Inputs in the production process that cannot be easily increased or decreased in the short run, such as land or machinery.

Variable Inputs

Resources used in production that can vary in quantity in the short run, such as labor and raw materials.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other inputs remain constant.