trdAQUESTION 28One end of a 1.0 m long string is fixed; the other end is attached to a 2.0 kg stone. The stone swings in a vertical circle, passing the bottom point at 4.0m/s. The tension force of the string at this point is about:OA. 52 NOB. 20 NOC. 32 NOD. 12 NΟΕ. Ο ΝQUESTION 29The velocity of a particle moving along the x axis changes from vi to vf. For which values of v; and vy is the total work done on the particle positive?OA. vi=-5m/s, vf=-2m/sO B. v¡ = -2m/s, vf=-5m/sO C. v¡ = 5m/s, vf=2m/sO D. v¡=-5m/s, vf=2m/sOE. vi 5m/s, vf=-2m/sand Submit to save and submit. Click Save All Answers to save all answers.MacBook AirS QUESTION 29The velocity of a particle moving along the x axis changes from vi to vf. For which values of v; and vf is the total work done on the particle positive?O A. v₁=-5m/s, vf=-2m/sOB. vj=-2m/s, vf=-5m/sO C. v₁ = 5m/s, vf=2m/sO D.v₁=-5m/s, Vf= 2m/sO E. v₁ = 5m/s, Vf= -2m/sQUESTION 30A spring of spring constant k is attached to a block of mass m. The spring moves the block through a displacement x. How can you calculate how much work the spring doeson the block?MacBook AirA. Multiply the spring force, ½kx², by the distance x.OB. Integrate the spring force, ½ kx², over the time it takes the block to moveOC. Multiply the spring force, kx, by the distance xOD. Integrate the spring force, kx, over the distance xOE. We cannot calculate this without knowing the acceleration of the block

X GRA QUESTION 28 One end of a 1.0 m long string is fixed; the other end is attached to a 2.0 kg stone. The stone swings in a vertical circle, passing the bottom point at 4. m/s. The tension force of the string at this point is about: OA. 52 N OB. 20 N OC. 32 N OD. 12 N ΟΕΟΝ xis changes from vi to vf. For which values of v; and vy is the total work done on the pa

X GRA QUESTION 28 One end of a 1.0 m long string is fixed; the other end is attached to a 2.0 kg stone. The stone swings in a vertical circle, passing the bottom point at 4. m/s. The tension force of the string at this point is about: OA. 52 N OB. 20 N OC. 32 N OD. 12 N ΟΕΟΝ xis changes from vi to vf. For which values of v; and vy is the total work done on the pa

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 2CQ: Taking a frame attached to Earth as inertial, which of the following objects cannot have inertial...

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