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You estimate the radius of the big wheel to be 19 m m , and you use your watch to find that each loop around takes 25 s s .What is your speed?

You estimate the radius of the big wheel to be 19 m m , and you use your watch to find that each loop around takes 25 s s .What is your speed?
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1 vote
You estimate the radius of the big wheel to be 19 m

m
, and you use your watch to find that each loop around takes 25 s
s
.What is your speed?

User Amol Challawar
by
7.6k points

1 Answer

1 vote
explanation:

first, find the circumference of the wheel by using the formula 2(pi)(r):

2(pi)(19) = 119.380521

divide by 25 secs

119.380521/25 = 4.77522083

round to the nearest tenth is 4.8, so the speed is 4.8mm/sec
User Pwdyson
by
8.4k points
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