Curve Straightening Worksheet 1. Date: _____________ Plot each of the following sets of data on a graph. Using a suitable curve-straightening technique, determine an equation (include the value of the slope and the units for the slope) that represents the data. In addition, for questions b, c, d, and f find the meaning of the slope. a. b. c. x y mass (kg) 1 2 3 4 5 6 7 8 9 1 4 9 16 25 36 49 64 81 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 acceleration (m/s2) 48.0 26.2 20.0 11.3 10.0 7.5 7.2 6.1 5.6 time (s) position (m) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 10 22 32 40 45 62 73 81 90 d. spring constant (N/m) 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 e. displacement (m) 1.00 0.50 0.33 0.25 0.20 0.16 0.14 0.13 0.11 0.10 f. p q speed (m/s) kinetic energy (J) 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 5 11 16 19 25 29 36 40 250 1000 22500 40000 62500 90000 122500 160000