SC 130 Physical Science Quiz Three • Name:

Ball roll data from physical science laboratory two background rectangle major grid lines axes x-axis and y-axis linear regression line data points as circles linear regression line data points as circles text layers SC 130 Lab Two A rolling ball gathers no moss time (seconds) distance (cm) y-axis labels 0 226 453 679 905 1132 1358 1584 1810 2037 2263 x-axis labels 0.0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0 y1: d = 400t y2: d = 235t

Data table

time(s) xdistance (cm) y1distance (cm) y2
0000000
1657400
2927575
31277745
41613978
519851100
622631370
  1. ___________________ Does the data form a straight line or roughly close to a straight line?
  2. ___________________ Is there a mathematical relationship between the time and the distance?
  3. ___________________ Is the y-intercept zero or reasonably close to zero?
  4. ___________________ According the above data, which ball is faster, the y1 or the y2 ball?
  5. ___________________ What is the speed of the y1 ball in centimeters per second?
  6. ___________________ What is the speed of the y2 ball in centimeters per second?
  7. ___________________ Using the above data, predict the distance the y1 ball would roll after 8 seconds.
  8. ___________________ Using the above data, predict the time it would take the y1 ball to roll 3000 centimeters.

SC 130 Lab Two background rectangle major grid lines axes x-axis and y-axis data points as circles data points as circles text layers SC 130 Lab Two Rollerball time(s) distance (cm) y-axis labels 0 114 228 342 456 570 684 798 912 1026 1140 x-axis labels 0.0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0

  1. A ball is rolled and generates the data plotted by the circles above. What is happening to the ball as it rolls?
  2. A ball is rolled and generates the data plotted by the squares above. What is happening to the ball as it rolls?