Asked by Jan
The steel round frame is 2,4m high. There have to be wrapd five coils around the frame. One coil diameter is 35mm. Each coil is 50m long. All of the coils have to be wrapd next to each other.What must the diameter be of the frame if the hight of the frame is 2,4m.
Answers
Answered by
Steve
the circumference of the frame is πd m
The total length of wire is 5*50 = 250 m
So, ignoring the slight difference of the length of a helix as opposed to stacked rings, the number of loops around the frame is
250/πd
The height of each loop is 0.035 m, so
(250/πd)(0.035) = 2.4
d = 1.16 m
The total length of wire is 5*50 = 250 m
So, ignoring the slight difference of the length of a helix as opposed to stacked rings, the number of loops around the frame is
250/πd
The height of each loop is 0.035 m, so
(250/πd)(0.035) = 2.4
d = 1.16 m
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