When a 2.30-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.28 cm (a) What is the force constant of the spring? N/m (b) If the 2.30-kg object is removed, how far will the spring stretch if a 1.15-kg block is hung on it? cm (c) How much work must an external agent do to stretch the same spring 9.50 cm from its unstretched position? J 7.30 kg is released from rest from point and slides on the frictionless track shown in the figure below. (Assume h A block of mass m = 5.40 m.) m 3.20 m 2.00 m and C (a) Determine the block's speed at points m/s point m/s point C to point (b) Determine the net work done by the gravitational force on the block as it moves from point J
When a 2.30-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.28 cm (a) What is the force constant of the spring? N/m (b) If the 2.30-kg object is removed, how far will the spring stretch if a 1.15-kg block is hung on it? cm (c) How much work must an external agent do to stretch the same spring 9.50 cm from its unstretched position? J 7.30 kg is released from rest from point and slides on the frictionless track shown in the figure below. (Assume h A block of mass m = 5.40 m.) m 3.20 m 2.00 m and C (a) Determine the block's speed at points m/s point m/s point C to point (b) Determine the net work done by the gravitational force on the block as it moves from point J
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Energy Of A System
Section: Chapter Questions
Problem 17P: When a 4.00-kg object is hung vertically on a certain light spring that obeys Hookes law, the spring...
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