There are 18 bulls and 45 cows on a ranch. If 4 more bulls and 4 more cows were added, will the ratio of bulls to cows remain th
1 answer:
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Answer:13 revolution
Step-by-step explanation:
Given data
Wheel initial angular velocity=18 rad/s
Contant angular deaaceleration=2
Time required to stop wheel completely=t sec
0 =18 +
t=9 sec
Therefore angle turn in 9 sec
=
+
=
+
=81rad
therefore no of turns(n) =
n=12.88913 revolution