PHYS 218 Midterm: Texas A&M Physics 218 Exam2_Fall_2010_solutions
Document Summary
Do not fill out the information below until instructed to do so! All work must be shown to get credit for the answer marked. Put your initials here after reading the above instructions:__________ Table to be filled by the graders. Part 1: (25p) basic concepts. Problem 1. 1: (3p) fill the following table. One of the masses has a string attached to another mass via a pulley. The particle"s total energy is 12 joules. From about 35 cm to about 42 cm. Mechanics effects allow a small probability for the particle to reach the position at 28cm. If this happens, what is the new range of positions the particle can ever reach ? position (cm) From about 28cm to about 11 cm. Therefore the slope is - . 8joules/4cm = - 2 joules/cm= - 200 joules/m. Because the force is minus the slope we get f=200. Joules/m= 200 newton in the positive x direction. Part 2: (25p) forces and acceleration.
