A Particle Leaves the Origin with a Velocity of 7

question 48

Multiple Choice

A particle leaves the origin with a velocity of 7.2 m/s in the positive y direction and moves in the xy plane with a constant acceleration of (3.0 − 2.0 ) m/s². At the instant the particle moves back across the x axis (y = 0) , what is the value of its x coordinate?

• A) 65 m
• B) 91 m
• C) 54 m
• D) 78 m
• E) 86 m

Apply the concept of margin of error in the construction and interpretation of confidence intervals.

Recognize the correct interpretation of confidence intervals among common misconceptions.

Understand how sample size affects the confidence interval.

Recognize the importance of random sampling in the construction of confidence intervals.