End Cord
A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.4 m on a friction?
A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.4 m on a frictionless horizontal surface. The cord will break when the tension in it exceeds 60 N.
(a) What is the maximum speed the ball can have?
m/s
(b) How would your answer be affected if there were friction?
Set up your equation like this:
Fnormal/mass=V^2/r
so it would be
60/.4=V^2/1.4
Finishing Kumihimo Braids with Cord End Caps
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