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per meter and spring B has a spring constant of potential energy stored in spring A, the elastic 280 newtons per meter. Both springs are stretched 20 Spring A has a spring constant of 140 newtons 20 Spring A has a spring constant of 140 newtons the same distance. Compared to the elastic potential energy stored in spring A, the elastic potential energy stored in spring B is (1) the same (2) twice as great (3) half as great (4) four times as great ntod to

per meter and spring B has a spring constant of potential energy stored in spring A, the elastic 280 newtons per meter. Both springs are stretched 20 Spring A has a spring constant of 140 newtons 20 Spring A has a spring constant of 140 newtons the same distance. Compared to the elastic potential energy stored in spring A, the elastic potential energy stored in spring B is (1) the same (2) twice as great (3) half as great (4) four times as great ntod to

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 64P: A block of mass 500 g is attached to a spring of spring constant 80 N/m (see the following figure)....
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please help with questions 20,21,22,23,24 and 25 thank you
20 Spring A has a spring constant of 140 newtons per meter and spring B has a spring constant of the same distance. Compared to the elastic potential energy stored in spring A, the elastic potential energy stored in spring B is (1) the same (2) twice as great (3) half as great (4) four times as great 21 A vertical spring 0.100 meter long is elongated to a length of 0.119 meter when a 1.00-kilogram mass is attached to the bottom of the spring. The spring constant of this spring is (1) 9.8 N/m (2) 82 N/m (3) 98 N/m (4) 520 N/m 22 A force with a magnitude of 10. newtons is required to hold a stretched spring 0.20 meter from its rest position. What is the elastic potential energy stored in the stretched spring? (1) 1.0 J (2) 2.0 J (3) 5.0 J (4) 50. J 23 When a mass is placed on a spring with a spring constant of 15 newtons per meter, the spring is compressed 0.25 meter. How much elastic potential energy is stored in the spring? (1) 0.47 J (2) 0.94 J (3) 1.9J (4) 3.8 J 24 A vertically hung spring stretches 0.075 meter when a 5.0-newton block is attached to the spring. What is the spring constant for this spring? [Assume the spring-block system is at rest.] (1) 38 N/m (2) 67 N/m (3) 130 N/m (4) 650 N/m 25 The unstretched spring in the diagram below has a length of 0.40 meter and a spring constant k. A weight is hung from the spring causing it to stretch to a length of 0.60 meter, Unstretched Stretched 0,40 m 0.60 m Weight How many joules of elastic potential energy are stored in this stretched spring? (1) 0.020 x k (2) 0.080 x k (3) 0.18 X k (4) 2.0 X k 104
Transcribed Image Text:20 Spring A has a spring constant of 140 newtons per meter and spring B has a spring constant of the same distance. Compared to the elastic potential energy stored in spring A, the elastic potential energy stored in spring B is (1) the same (2) twice as great (3) half as great (4) four times as great 21 A vertical spring 0.100 meter long is elongated to a length of 0.119 meter when a 1.00-kilogram mass is attached to the bottom of the spring. The spring constant of this spring is (1) 9.8 N/m (2) 82 N/m (3) 98 N/m (4) 520 N/m 22 A force with a magnitude of 10. newtons is required to hold a stretched spring 0.20 meter from its rest position. What is the elastic potential energy stored in the stretched spring? (1) 1.0 J (2) 2.0 J (3) 5.0 J (4) 50. J 23 When a mass is placed on a spring with a spring constant of 15 newtons per meter, the spring is compressed 0.25 meter. How much elastic potential energy is stored in the spring? (1) 0.47 J (2) 0.94 J (3) 1.9J (4) 3.8 J 24 A vertically hung spring stretches 0.075 meter when a 5.0-newton block is attached to the spring. What is the spring constant for this spring? [Assume the spring-block system is at rest.] (1) 38 N/m (2) 67 N/m (3) 130 N/m (4) 650 N/m 25 The unstretched spring in the diagram below has a length of 0.40 meter and a spring constant k. A weight is hung from the spring causing it to stretch to a length of 0.60 meter, Unstretched Stretched 0,40 m 0.60 m Weight How many joules of elastic potential energy are stored in this stretched spring? (1) 0.020 x k (2) 0.080 x k (3) 0.18 X k (4) 2.0 X k 104
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