A wheel has a speed of 1200 revolutions per
made to slow down at a rate of 4 radians/s2. Th
revolutions it makes before coming to rest is
ons per minute and is
s's. The number of
[EAMCET (Engg.) 2000
(a) 143
(b) 272
(c) 314
(d) 722
in moving at a speed of 72 km/hr. The radius da
Answers
Answered by
17
Answer:
Hii mate ❤
Explanation:
Initial speed=vi=1200 rpm=1200/60=20 rps
w=2pivi=40 pi rad/s
final angular velocity=wf=0
wf^2-wi^2=2 ∝S
0-(40pi)^2=2 ∝S
S=200 pi^2
number of revloution=N=200 pi/2 pi=314....
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Answered by
0
Answer:
143 is the answer for this questio
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