An Automobile of Mass 1300 Kg Has an Initial Velocity $\times$

question 42

Multiple Choice

An automobile of mass 1300 kg has an initial velocity of 7.20 m/s toward the north and a final velocity of 6.50 m/s toward the west.The magnitude and direction of the change in momentum of the car are

• A)1.26 \(\times\) 10⁴ kg · m/s at 48º S of E
• B)1.26 \(\times\) 10⁴ kg · m/s at 48º S of W
• C)1.26 \(\times\) 10⁴ kg · m/s at 48º N of W
• D)1.78 \(\times\) 10⁴ kg · m/s at 48º N of W
• E)910 kg · m/s at 48º S of E

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Definitions:

Sampling Distribution

describes the distribution of a statistic over many samples drawn from the same population.

Sample Mean Difference

The statistical measure that calculates the difference between the average values of two sample groups.

Sample Sizes

The number of observations or data points selected from a population for analysis, which can affect the precision and reliability of statistical results.

Independent Samples

Two or more groups of data that are collected from different sources or populations and do not influence each other.