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(4) A bucket containing water is whirled in avertical circle at arms length. Find the minimumspeed at top to ensure that no water spills out.Also find corresponding angular speed.Assume r 0.75 m)Ans : 2.711 m/s, 3.615 rad/s)

Answer»

given : r=0.75m , g=9.8m/s2

To find : vH, wH(angular speed)

Formula : vH2=rg wH=vH/r

Calculation: vH2=o.75 * 9.8

=2.711m/s

wH=2.711/0.75

=3.615r ad/s

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