Answer:
Linear speed= V= 175.84 m/s
Step-by-step explanation:
A wheel with a radius of 7 inches is rotating at 4 revolutions per second.
Linear speed v = rw
r= radius
r= 7 inches
w= angular speed
W= 4rev/s
But one rev= 2π
W= 4*(2π)/s
W= 8π/s
V= rw
V=7*8*3.14
V= 175.84 m/s
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Answer:
Hence there is a strong probability the true proportion of patients who get relief from headaches while on this medication is greater than 80%.
Step-by-step explanation:
The required truth is " there's strong evidence this medication reached its the goal of quite 80% of patients getting relief. " Because we wanted to check whether the new medication offers relief for quite 80% of patients or not.
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