The table shows the height in centimeters, that a weight bouncing from a spring would achieve if there were no friction, for a given number of seconds.
Time (s)Height (cm)
00
0.7515
1.50
2.25−15
30
3.7515
4.50
5.25−15
60
From its resting position, how long does it take the weight to bounce one direction, then the other, and then back to its resting position?
Enter your answer in the box.
