You want to measure the length of a thin, light (massless) string (**NOT** spring!). However, you don't have a ruler or a measuring tape to measure its length. Smart as you are, you attach a small object of mass 57.335 grams at the end of the string, suspend the system vertically, and gently allow it to swing within a maximum angle of 15.4 degrees. You then use a stopwatch (say on your phone) to measure the average time it takes to swing back and forth over a few back-and-forth swings and find that the time per back-and-forth swing is 2.446 seconds. From this, you obtain a pretty good estimate of the unknown length of the string! What is the length of the string (in meters)? Later on, when you found a tape measure, you measured the length and found it was extremely close to what you had calculated. Excited, you take the same string and the mass along with you when you are visiting your best friend on the East Coast. You show them the demonstration but observe that the length that you now estimate (using this timing method) is no longer the same as the exact length! The string is NOT made of metal and has neither expanded nor contracted. So the length of the string could not have changed. While your friend is smiling (at your "failed" experiment), you notice that the pendulum is actually swinging 0.071 seconds SLOWER (i.e., taking longer to swing) than what it was taking when it was swinging in Santa Cruz. You get a brainwave: Aha, this means the acceleration due to gravity at your friend's location is different than at Santa Cruz! You recall using 9.8 m/s^2 when you had correctly estimated the length at Santa Cruz. What then is the acceleration due to gravity at your friend's location? [Note: Be sure to CLICK on this question in order to be able to enter the answer]