A Projectile Is Fired at an Angle of 55

question 50

Multiple Choice

A projectile is fired at an angle of 55.0° above the horizontal with an initial speed of 35.0 m/s.
-What is the magnitude of the horizontal component of the projectile's displacement at the end of 2 s?

• A)30 m
• B)40 m
• C)10 m
• D)20 m
• E)50 m

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Definitions:

Unbiased Estimator

An unbiased estimator is a statistic that, on average, accurately represents the parameter of interest in the population.

Sample Size

Sample Size refers to the number of observations or individuals in a subset of a population used for statistical analysis.

Parameter

A characteristic or constant factor that defines or limits a system; in statistics, it is a numerical attribute of a population.

Unbiased Estimator

A statistic used to estimate a parameter that is expected to be equal to the true parameter of the population.