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Question 1: A toy is made up of a mass M=50.0 g attached to a spring of length L₂= 20.0 cm and spring constant k= 100 N/m. We are ignoring the mass of the spring. When the toy is pressed until the length of the spring is L₂= 15.0 cm (figure A) and then released, it jumps to a height L₁ (figure C). (a) What is the mechanical energy of the toy the instant it was released? (b) What is the mechanical energy of the toy the instant the toy is about to come off the ground (figure B)? (c) What the gravitational potential energy then? (d) What is the speed of the center of mass of the toy the instant it is about to come off the ground? (e) Find L₁. A 20000000 B L₂ (00000000 C L₁

Question 1: A toy is made up of a mass M=50.0 g attached to a spring of length L₂= 20.0 cm and spring constant k= 100 N/m. We are ignoring the mass of the spring. When the toy is pressed until the length of the spring is L₂= 15.0 cm (figure A) and then released, it jumps to a height L₁ (figure C). (a) What is the mechanical energy of the toy the instant it was released? (b) What is the mechanical energy of the toy the instant the toy is about to come off the ground (figure B)? (c) What the gravitational potential energy then? (d) What is the speed of the center of mass of the toy the instant it is about to come off the ground? (e) Find L₁. A 20000000 B L₂ (00000000 C L₁

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Question 1: A toy is made up of a mass M=50.0 g attached to a spring of length L₂= 20.0 cm and spring constant k= 100 N/m. We are ignoring the mass of the spring. When the toy is pressed until the length of the spring is L₂= 15.0 cm (figure A) and then released, it jumps to a height L₁ (figure C). (a) What is the mechanical energy of the toy the instant it was released? (b) What is the mechanical energy of the toy the instant the toy is about to come off the ground (figure B)? (c) What the gravitational potential energy then? (d) What is the speed of the center of mass of the toy the instant it is about to come off the ground? (e) Find L₁. A L3 00000000 B L2 00000000) C L₁
Transcribed Image Text:Question 1: A toy is made up of a mass M=50.0 g attached to a spring of length L₂= 20.0 cm and spring constant k= 100 N/m. We are ignoring the mass of the spring. When the toy is pressed until the length of the spring is L₂= 15.0 cm (figure A) and then released, it jumps to a height L₁ (figure C). (a) What is the mechanical energy of the toy the instant it was released? (b) What is the mechanical energy of the toy the instant the toy is about to come off the ground (figure B)? (c) What the gravitational potential energy then? (d) What is the speed of the center of mass of the toy the instant it is about to come off the ground? (e) Find L₁. A L3 00000000 B L2 00000000) C L₁
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