: 34% Mon 8:21 dit View History Boom arks People Window Help HW 3.2 com/myct/ite
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Question
: 34% Mon 8:21 dit View History Boom arks People Window Help HW 3.2 com/myct/itemviewtassig ID-6840198 Secure C HW 3.2 Chapter 12.7 Probiem 12.145 C5of8> Particles A and B are traveling counter-clodkwise around a ciroular track at a constant speed of 7 m/s.A he instant shown the speed of A begins to increase by (a).-(0.2sa) m/s*wher#A is in meters. Suppose that r7 m.Figure 1) Part A Determine the distance Express your answer to three significant figures and inelude the appropriate units measured counterclockwise along the track from B to A whent 1 d Value Units Figure 1of1 A. Part B e-120r What is the magnitude of the acceleration of the particle A whent 1s Express your answer to three significant figures and include the appropriate units. a-V Value Units MacBook Pro B.Explanation / Answer
A)
distance measured = 2*pi*r/3
= 2*pi*7/3
= 14.66 m
B)
a = v^2/r
= 7^2/7
= 7 m/s2 <------ answer
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