7 3 % C 9 Q $3 g@ # % 3 SQ C 9 9' B & f ! V &! ( 9 ) & 9 & e 0 & )S & 9 QBx & 9SyQ & 0 B Q ! ' & 9 X w v u G F D hx Q % S H Sy ax S w v u G F D S H A@ 2 F t s D C & f ! V &! ( 9 ) & 9 0 ) B ( ' & ' & 9 & & 9 9 & e & V r & e & Y 0 ) ! ) & & qp U a $ 3 # &
8.01T
Problem Set 2 Solutions
Fall 2004
Problem 1. Measurement of g .
a) The ball moves in the vertical direction under the inuence of the con stant force of gravity1 . Hence in our approximation the ball undergoes onedimensional motion with constant acce
8.01T
Problem Set 4 Solutions
Fall 2004
Problem 1. Rotational Kinematics.
a) In 2004, the period of rotation is TE = 86164 s. Thus the angular velocity is 2 E = 7 105 s1 TE The radius of the circle of rotation of the person at MIT is r = RE cos 4.71 106 m
8.01T
Problem Set 6 Solutions
Fall 2004
Problem 1. Experiment 5 b) Analysis.
a) We know that when the string is about to slide, the tension varies as T () = T0 e-s . It means that T2 = T1 e-s . On the other hand, analyzing the free-body diagrams for the m