The position of a ball rolling in a straight line is given by $z = 1.7 - 4.6t + 4.1t^2$, where $z$ is in meters and $t$ in seconds.
Determine the position of the ball at $t = 1.0$ s, $2.0$ s, and $3.0$ s.
Enter your answers using two significant figures separated by commas.
$x_1, x_2, x_3 =$
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Part B
What is the average velocity over the interval $t = 1.0$ s to $t = 4.0$s?
Express your answer using two significant figures.
$v =$
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Part C
What is its instantaneous velocity at $t = 2.0$ s and at $t = 3.0$ s?
Enter your answers using two significant figures separated by commas.
$v_{2.0}, v_{3.0} = $
