A Spring-Powered Dart Gun Is Unstretched and Has a Spring

question 76

Multiple Choice

A spring-powered dart gun is unstretched and has a spring constant 150 N/m. The spring is compressed by 8.00 cm and a 5.00 gram projectile is placed in the gun. The maximum height of the projectile when it is shot at an angle of 30.0 degrees above the horizontal from the gun is

• A) 5.03 m.
• B) 4.24 m.
• C) 3.90 m.
• D) 3.20 m.
• E) 2.45 m.

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Definitions:

Skewness

A measure of the asymmetry of the probability distribution of a random variable about its mean.

Kurtosis

A measure of the "tailedness" of the probability distribution of a real-valued random variable, indicating the sharpness of the peak of a frequency-distribution curve.

Variability

A measure of how spread out or dispersed the scores in a set of data are.

Spread

A statistical term describing the range or distribution of data points in a data set.