Use file named PIC 1 for questions A and B. Use file named PIC 2 for C, D, and E.
a. According to the graph of the students’ results, what is the best value for the force constant of the spring?
b. The students expect that the vertical intercept of the graph should be zero since the spring should not exert a force if there is no displacement. The students conduct a careful inspection of their equipment and discover that the force sensor used to make the measurements had a systematic error that caused the readings to be 0.12 N too high. If the students correct the systematic error and repeat the experiment, will they find a new value for k that is greater than, less than, or approximately the same as the value from the graph above? Explain the reasoning for your answer using proper physics principles.
c. The mass is placed at a displacement of -0.9 m and released from rest. What is the potential energy stored in the mass and spring system when the object is at the -0.9 m displacement?
d. What is the speed of the 1.0 kg mass when it reaches a displacement of zero if it is released from rest at the displacement of -0.9 m ?
e. The energy diagram indicates there is an equilibrium position at zero displacement. Which type of equilibrium is located at that position? PLEASE SHOW HOW YOU KNOW. Select one:
a. neutral
b. stable
c. unstable
0 comments