Two wheels having radii in the ratio 1:3 are connected by a common belt. If the smaller wheel is accelerated from rest at a rate df 1.5 rad/s2 for 10 s. Find the angular velocity of bigger wheel.
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a
15 rad/s
b
10 rad /s
c
5 rad /s
d
25 rad /s
answer is C.
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Detailed Solution
as they are connected they have same linear velocity r1ω1 =r2ω2 ω2=r1r2ω1 ω1=αt =15 ω2=1315 = 5
Two wheels having radii in the ratio 1:3 are connected by a common belt. If the smaller wheel is accelerated from rest at a rate df 1.5 rad/s2 for 10 s. Find the angular velocity of bigger wheel.