A slender 5.4-kg rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 326 N/m and of unstretched length 150 mm is attached to the rod as shown. Knowing that the rod is released from rest in the position shown ( pos(1)). The rod has rotated through 90°. The workdone by spring is600 mmDB.120 mm350 mmSelect one:Oa. 17.25Ob. 24.78Ос. 8.35Od. 22.73Ое. 6.85The work done by weight isSelect one:O a. 9.53Ob. 12.57Oc. 4.95Od. 7.43Ое. 15.43Polar moment of inertia about B isSelect one:O a. 0.55Ob. 0.26Oc. 0.44Od. 0.18Ое. О.34angular velocity at position 2Select one:O a. 5.13Ob. 9.86Ос. 15.97Od. 13.01Oe. 7.69

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A slender 5.4-kg rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 326 N/m and of unstretched length 150 mm is attached to the rod as shown. Knowing that the rod is released from rest in the position shown ( pos(1)). The rod has rotated through 90°. The work done by spring is 600 mm 350 mm Select one: Oa. 17.25 Ob. 24.78 Oc. 8.35 Od. 22.73 Ое. 6.85 The work done by weight is Select one: Oa 9.53 Ob. 1257 Oc.4.95 Od. 7.43 Oe. 15.43 Polar moment of inertia about B is Select one: Oa. 0.55 Ob.0.26 Oc. 0.44 Od. 0.18 Oe. 0.34 angular velocity at position 2 Select one: Oa. 5.13 Ob.9.86 O. 15.97 Od. 13.01 Oe. 7.69

A slender 5.4-kg rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 326 N/m and of unstretched length 150 mm is attached to the rod as shown. Knowing that the rod is released from rest in the position shown ( pos(1)). The rod has rotated through 90°. The work done by spring is 600 mm 350 mm Select one: Oa. 17.25 Ob. 24.78 Oc. 8.35 Od. 22.73 Ое. 6.85 The work done by weight is Select one: Oa 9.53 Ob. 1257 Oc.4.95 Od. 7.43 Oe. 15.43 Polar moment of inertia about B is Select one: Oa. 0.55 Ob.0.26 Oc. 0.44 Od. 0.18 Oe. 0.34 angular velocity at position 2 Select one: Oa. 5.13 Ob.9.86 O. 15.97 Od. 13.01 Oe. 7.69

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A slender 5.4-kg rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 326 N/m and of unstretched length 150 mm is attached to the rod as shown. Knowing that the rod is released from rest in the position shown ( pos(1)). The rod has rotated through 90°. The work
done by spring is
600 mm
D
B.
120 mm
350 mm
Select one:
Oa. 17.25
Ob. 24.78
Ос. 8.35
Od. 22.73
Ое. 6.85
The work done by weight is
Select one:
O a. 9.53
Ob. 12.57
Oc. 4.95
Od. 7.43
Ое. 15.43
Polar moment of inertia about B is
Select one:
O a. 0.55
Ob. 0.26
Oc. 0.44
Od. 0.18
Ое. О.34
angular velocity at position 2
Select one:
O a. 5.13
Ob. 9.86
Ос. 15.97
Od. 13.01
Oe. 7.69

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