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6B Begin Date: 2/14/2020 12:01:00 AM -- Due Date: 2/21/2020 11:59:00 PM End Date: 5/19/2020 5:00:00 PM (20%) Problem 4: A student jumping on a trampoline reaches a maximum height of h = 1.38 m. The maximum height is measured from the surface of trampoline in its unstretched position. The student has a mass of m = 75 kg. Randomized Variables h = 1.38 m 75 kg т — 50% Part (a) What is the student's speed immediately before she reaches the trampoline after the jump in m/s? Vs = 5.20 Vs = 5.2 / Correct! 50% Part (b) If, when she lands on the trampoline, she stretches the trampoline down d=0.75 m, what is the spring constant k in N/m of the trampoline? Grade Summary k = Deductions 0% Potential 100% Late Work % 100% 8 9 E 1A 4 5 6 sin() cos() tan() Late Potential 100% НOME cotan() asin() acos() Submissions Attempts remaining: 3 (0% per attempt) detailed view atan() acotan() sinh() 3 cosh() tanh() cotanh() END Degrees Radians VO BACKSPACE 0% DEL CLEAR 2 0% Submit Hint Feedback I give up! 3 0% Hints: 2 for a 0% deduction. Hints remaining: 0 Feedback: 0% deduction per feedback. -How much energy does the student have right before they land on the trampoline? After the stop moving, how much energy do they have? Using conversation of energy, set the initial energy equal to the final and solve for the spring constant k. |-Choose the zero level for the potential energy of gravity. If you decided to choose zero for potential energy of gravity at the level of trampoline not stretched, keep in mind, that potential energy of gravity below this level is negative.

6B Begin Date: 2/14/2020 12:01:00 AM -- Due Date: 2/21/2020 11:59:00 PM End Date: 5/19/2020 5:00:00 PM (20%) Problem 4: A student jumping on a trampoline reaches a maximum height of h = 1.38 m. The maximum height is measured from the surface of trampoline in its unstretched position. The student has a mass of m = 75 kg. Randomized Variables h = 1.38 m 75 kg т — 50% Part (a) What is the student's speed immediately before she reaches the trampoline after the jump in m/s? Vs = 5.20 Vs = 5.2 / Correct! 50% Part (b) If, when she lands on the trampoline, she stretches the trampoline down d=0.75 m, what is the spring constant k in N/m of the trampoline? Grade Summary k = Deductions 0% Potential 100% Late Work % 100% 8 9 E 1A 4 5 6 sin() cos() tan() Late Potential 100% НOME cotan() asin() acos() Submissions Attempts remaining: 3 (0% per attempt) detailed view atan() acotan() sinh() 3 cosh() tanh() cotanh() END Degrees Radians VO BACKSPACE 0% DEL CLEAR 2 0% Submit Hint Feedback I give up! 3 0% Hints: 2 for a 0% deduction. Hints remaining: 0 Feedback: 0% deduction per feedback. -How much energy does the student have right before they land on the trampoline? After the stop moving, how much energy do they have? Using conversation of energy, set the initial energy equal to the final and solve for the spring constant k. |-Choose the zero level for the potential energy of gravity. If you decided to choose zero for potential energy of gravity at the level of trampoline not stretched, keep in mind, that potential energy of gravity below this level is negative.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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6B Begin Date: 2/14/2020 12:01:00 AM -- Due Date: 2/21/2020 11:59:00 PM End Date: 5/19/2020 5:00:00 PM (20%) Problem 4: A student jumping on a trampoline reaches a maximum height of h = 1.38 m. The maximum height is measured from the surface of trampoline in its unstretched position. The student has a mass of m = 75 kg. Randomized Variables h = 1.38 m 75 kg т — 50% Part (a) What is the student's speed immediately before she reaches the trampoline after the jump in m/s? Vs = 5.20 Vs = 5.2 / Correct! 50% Part (b) If, when she lands on the trampoline, she stretches the trampoline down d=0.75 m, what is the spring constant k in N/m of the trampoline? Grade Summary k = Deductions 0% Potential 100% Late Work % 100% 8 9 E 1A 4 5 6 sin() cos() tan() Late Potential 100% НOME cotan() asin() acos() Submissions Attempts remaining: 3 (0% per attempt) detailed view atan() acotan() sinh() 3 cosh() tanh() cotanh() END Degrees Radians VO BACKSPACE 0% DEL CLEAR 2 0% Submit Hint Feedback I give up! 3 0% Hints: 2 for a 0% deduction. Hints remaining: 0 Feedback: 0% deduction per feedback. -How much energy does the student have right before they land on the trampoline? After the stop moving, how much energy do they have? Using conversation of energy, set the initial energy equal to the final and solve for the spring constant k. |-Choose the zero level for the potential energy of gravity. If you decided to choose zero for potential energy of gravity at the level of trampoline not stretched, keep in mind, that potential energy of gravity below this level is negative.
Transcribed Image Text:6B Begin Date: 2/14/2020 12:01:00 AM -- Due Date: 2/21/2020 11:59:00 PM End Date: 5/19/2020 5:00:00 PM (20%) Problem 4: A student jumping on a trampoline reaches a maximum height of h = 1.38 m. The maximum height is measured from the surface of trampoline in its unstretched position. The student has a mass of m = 75 kg. Randomized Variables h = 1.38 m 75 kg т — 50% Part (a) What is the student's speed immediately before she reaches the trampoline after the jump in m/s? Vs = 5.20 Vs = 5.2 / Correct! 50% Part (b) If, when she lands on the trampoline, she stretches the trampoline down d=0.75 m, what is the spring constant k in N/m of the trampoline? Grade Summary k = Deductions 0% Potential 100% Late Work % 100% 8 9 E 1A 4 5 6 sin() cos() tan() Late Potential 100% НOME cotan() asin() acos() Submissions Attempts remaining: 3 (0% per attempt) detailed view atan() acotan() sinh() 3 cosh() tanh() cotanh() END Degrees Radians VO BACKSPACE 0% DEL CLEAR 2 0% Submit Hint Feedback I give up! 3 0% Hints: 2 for a 0% deduction. Hints remaining: 0 Feedback: 0% deduction per feedback. -How much energy does the student have right before they land on the trampoline? After the stop moving, how much energy do they have? Using conversation of energy, set the initial energy equal to the final and solve for the spring constant k. |-Choose the zero level for the potential energy of gravity. If you decided to choose zero for potential energy of gravity at the level of trampoline not stretched, keep in mind, that potential energy of gravity below this level is negative.
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