Welcome back to Physics 215. Today’s agenda: Tangential and radial components of acceleration Relative motion Tomorrow’s workshop: Work on practice exam. Current homework assignment. HW3: Exam-style problem (print out from course website) Ch.4 (Knight textbook): 44, 52, 56, 62, 88
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Tangential and radial components of acceleration
Work on practice exam
Reminder about course website:
vAB = -vBA
vPA = vPB + vBA-- transformation of velocities
vab = vaE - vbE
1. going East at constant speed
2. going West at constant speed,
3. going East and slowing down,
4. going West and speeding up.
Motion of cart
vPE = vPA + vAE