3) Jack takes a 4.0-kg bucket of water connected on a cord, and swings it in a vertical circle of radius 85.0 cm at a constant speed of 6.0 m/s. 85cm 85m 100 a) When the bucket passes its highest point, what are the magnitude and direction of its acceleration?
3) Jack takes a 4.0-kg bucket of water connected on a cord, and swings it in a vertical circle of radius 85.0 cm at a constant speed of 6.0 m/s. 85cm 85m 100 a) When the bucket passes its highest point, what are the magnitude and direction of its acceleration?
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Transcribed Image Text:3) Jack takes a 4.0-kg bucket of water connected on a cord, and swings it in a vertical circle of radius 85.0
cm at a constant speed of 6.0 m/s.
85cm 85m
100
a) When the bucket passes its highest point, what are the magnitude and direction of its acceleration?
%3D
=42.35 m/s
85m)
b) When the bucket påsses its highèst point, what is the tension in the cord?
= mg =4hg.7.8mls?= 39.2
%3D
Ft = Fq +me z
39.2+(10ky 42.35mk?)= 462.7N
c) The cord can handle a maximum force of 300N. What is the maximum constant speed that Jack can
spin the bucket before the cord breaks?
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