A bungee cord exerts a nonlinear elastic force of magnitude F(x) = 192.1x + -0.13x^3 where...
A bungee cord exerts a nonlinear elastic force of magnitude F(x) = 192.1x + -0.13x^3 where x is the distance the cord is stretched. How much work must be done on the cord to stretch it 18.5 m? Enter your answer in kJ to the tenth's place
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A bungee cord exerts a nonlinear elastic force of magnitude F(x)
= 192.1x + -0.13x^3 where...
A bungee cord exerts a nonlinear elastic force of magnitude F(x) = k1x + k2x3, where...
A bungee cord exerts a nonlinear elastic force of magnitude F(x) = k1x + k2x3, where x is the distance the cord is stretched, k1 = 203 N/m and k2 = −0.220 N/m3. How much work (in kJ) must be done on the cord to stretch it 15.0 m? _? kJ
A bungee cord is 30.0 m long and, when stretched a distance x, it exerts a...
A bungee cord is 30.0 m long and, when stretched a distance x, it exerts a restoring force of magnitude kx. Your father-in-law (mass 97.0kg ) stands on a platform 45.0 m above the ground, and one end of the cord is tied securely to his ankle and the other end to the platform. You have promised him that when he steps off the platform he will fall a maximum distance of only 41.0 m before the cord stops him....
7.51 A bungee cord is 30.0 m long and. when stretched a distance x, it exerts...
7.51
A bungee cord is 30.0 m long and. when stretched a distance x, it exerts a restoring force of magnitude kx. Your father-in-law (mass 100 kg) stands on a platform 45.0 m above the ground, and one end of the cord is tied securely to his ankle and the other end to the platform. You have promised him that when he steps off the platform he will fall a maximum distance of only 41.0 m before the cord stops...
5. In bungee jumping, it is obviously important to know in advance how far an elastic cord of un-...
5. In bungee jumping, it is obviously important to know in advance how far an elastic cord of un-stretched length L will stretch with a given weight attached to its end. In one model for this elongation, the cord is simply considered to be a weak spring with constant k and the person tied to the end of the cord is a point mass m. Air resistance and any pendulum motion of the cord mass system are ignored. Suppose a...
Problem 15.48 A 90 kg student jumps off a bridge with a 12-m-long bungee cord tied...
Problem 15.48 A 90 kg student jumps off a bridge with a 12-m-long bungee cord tied to his feet. The massless bungee cord has a spring constant of 410 N/m. You can assume that the bungee cord exerts no force until it begins to stretch. Part A How far below the bridge is the student's lowest point? Express your answer with the appropriate units. ? MÅ Value O Units [1] = Submit Previous Answers Request Answer X Incorrect; Try Again;...
A spring is found to not obey Hooke's law. It exerts a restoring force F(x) =-ax-...
A spring is found to not obey Hooke's law. It exerts a restoring force F(x) =-ax- 2 N if it stretched or compressed, where α = 60 N/m and β 18.0 Nm2/3. The mass of the spring is negligible. (a) Calculate the work function W(x) for the spring. Let U=0 when x=0. (b) An object of mass 0.900 kg on a horizontal surface is attached to this spring. The surface provides a friction force that is dependent on distance Fr(x)2x2...
4./Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m...
4./Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. Her bungee cord has an un-stretched length of 50 m and a spring constant k - 600 N/m. Lola has a mass of 48 kg. How fast is she falling when she just starts to stretch the cord? How long does it take for Lola to reach this point? a) Lola stretches the bungee cord and it brings her to a...
Work is being done to stretch the packing tape. The force of the rubber band is...
Work is being done to stretch the packing tape. The force of the rubber band is modeled with an expression F (x) = - Fo [(L + x)/L − L2 /(L + x)2], where Fo = 9.2 N, the elastic length of the elastic band L = 0.95 m and the x is the change in the length of the elastic band. Determine how much work is done on the elastic band when stretching the distance d = 0.55 m
The force an ideal spring exerts on an object is given by Es=-la, where x measures...
The force an ideal spring exerts on an object is given by Es=-la, where x measures the displacement of the object from its equilibrium (x = 0) position. If k= 60 Nm, how much work done by its force as the object moves from x = 0 m to x = -0.2 m? Select one: a. 2.4 J b. - 1.2 J C. 1.2 J d. Zero
12. DETAILS OSCALC1 6.5.239. A force of F = 10x - x3 N stretches a nonlinear...
12. DETAILS OSCALC1 6.5.239. A force of F = 10x - x3 N stretches a nonlinear spring by x meters. What work (in J) is required to stretch the spring from x = 0 to x = 2 m? J Submit Answer
7.51
A bungee cord is 30.0 m long and. when stretched a distance x, it exerts a restoring force of magnitude kx. Your father-in-law (mass 100 kg) stands on a platform 45.0 m above the ground, and one end of the cord is tied securely to his ankle and the other end to the platform. You have promised him that when he steps off the platform he will fall a maximum distance of only 41.0 m before the cord stops...
5. In bungee jumping, it is obviously important to know in advance how far an elastic cord of un-stretched length L will stretch with a given weight attached to its end. In one model for this elongation, the cord is simply considered to be a weak spring with constant k and the person tied to the end of the cord is a point mass m. Air resistance and any pendulum motion of the cord mass system are ignored. Suppose a...
Problem 15.48 A 90 kg student jumps off a bridge with a 12-m-long bungee cord tied to his feet. The massless bungee cord has a spring constant of 410 N/m. You can assume that the bungee cord exerts no force until it begins to stretch. Part A How far below the bridge is the student's lowest point? Express your answer with the appropriate units. ? MÅ Value O Units [1] = Submit Previous Answers Request Answer X Incorrect; Try Again;...
A spring is found to not obey Hooke's law. It exerts a restoring force F(x) =-ax- 2 N if it stretched or compressed, where α = 60 N/m and β 18.0 Nm2/3. The mass of the spring is negligible. (a) Calculate the work function W(x) for the spring. Let U=0 when x=0. (b) An object of mass 0.900 kg on a horizontal surface is attached to this spring. The surface provides a friction force that is dependent on distance Fr(x)2x2...
4./Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. Her bungee cord has an un-stretched length of 50 m and a spring constant k - 600 N/m. Lola has a mass of 48 kg. How fast is she falling when she just starts to stretch the cord? How long does it take for Lola to reach this point? a) Lola stretches the bungee cord and it brings her to a...
The force an ideal spring exerts on an object is given by Es=-la, where x measures the displacement of the object from its equilibrium (x = 0) position. If k= 60 Nm, how much work done by its force as the object moves from x = 0 m to x = -0.2 m? Select one: a. 2.4 J b. - 1.2 J C. 1.2 J d. Zero
12. DETAILS OSCALC1 6.5.239. A force of F = 10x - x3 N stretches a nonlinear spring by x meters. What work (in J) is required to stretch the spring from x = 0 to x = 2 m? J Submit Answer
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