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webassign.net 1121626-dt-content-rid-1488853 SJO5b Required HW, Serway & Jewett

ID: 1774771 • Letter: W

Question

webassign.net 1121626-dt-content-rid-1488853 SJO5b Required HW, Serway & Jewett Chapter 03 &5 11 -19.1 points SerPOP5 5.P.028.W. My Notes A pail of water is rotated in a vertical circle of radius 0.55 m. (a) What two external forces act on the water in the pail? the normal force from the pail the Coriolis force the gravitational force (b) Which of these two forces is most important in causing the water to move in a circle? the gravitational force the normal force from the bucket the Coriolis force O (c) What is the pail's minimum speed at the top of the circle if no water is to spill out? m/s (d) Assume the pail with the speed found in part (c) were to suddenly disappear at the top of the circle. Describe the subsequent motion of the water This answer has not been graded yet. Would it differ from the motion of a projectile? Yes No

Explanation / Answer

(A) Normal force

gravitational force


(B) Normal force and gravitational force


(c) N + m g = m v^2 / r

v = sqrt(r g ) = 2.32 m/s

(d) it will free fall under the influence of gravity.

No, it will be the motion of projectile.