Asked by anonymous
you are able to wrap a band tightly around a large sphere. The band would have a circumference about 40000 km. You insert into the band another strip 2m long so that the band will no longer fit tightly around the sphere. This new band would have a radius a little smaller than the previous band. About how far from the sphere would the new and larger band be.
Answers
Answered by
Reiny
Wouldn't the new band have a radius a little larger than the original?
I suspect a typo, and will assume it to be larger
C = 2πr
40000 = 2πr
r = 6366.197723676.. km
new circumference = 40000.002
new r = 6366.23676 km
difference = 0.00031831 km
= .31831 metres or appr 32 cm
I suspect a typo, and will assume it to be larger
C = 2πr
40000 = 2πr
r = 6366.197723676.. km
new circumference = 40000.002
new r = 6366.23676 km
difference = 0.00031831 km
= .31831 metres or appr 32 cm
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