The Position of a Particle as a Function of Time

question 28

Multiple Choice

The position of a particle as a function of time is given by. Its velocity at t = 3 s is

• A)5 -21 .
• B)27 -54.
• C)34 -61.
• D)21 -7

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Definitions:

Kilograms

A unit of mass in the metric system, equivalent to 1,000 grams, used globally for measuring weight.

Per Hour

A rate or measurement that denotes something occurring or calculated over the course of an hour.

Material Variance

The difference between the actual cost of materials used in production and the standard cost expected.

Favourable Variances

Differences between actual and budgeted performance that result in better than expected financial outcomes.