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m 5) An Amazon package (2 kg) starts from rest, then begins to slide down a 4 m tall ramp that is inclined at 30°. The package then travels 12 m along a horizontal surface where it pushes into a spring (k = 3000 N/m). The package compresses the spring a distance x before coming momentarily to rest. Then the package is pushed in the opposite direction by the spring. The coefficient of friction between the ramp/floor and the package is 0.21. Calculate x and determine if the package will stop before it gets back to the ramp or if it will begin to slide up the ramp. h mm 6) A roller blader (84 kg) is travelling at 19 m/s [E]. A 21.2 kg child is riding a 7.8 kg bike at a speed of 6 m/s [W]. The roller blader and the cycling child collide in what can be assumed to be an elastic collision. What are the final velocities of the roller blader and the cycling child after the collision? 7) In the diagram, A and B represent small spherical charges of +46 μC and +82 μC, respectively. What is the magnitude and direction of the electric field intensity at point C? 8) An electron accelerates from rest, through an electric field, and into a magnetic field as shown in the diagram below. The plates have a potential difference of 122 V, and the magnetic field has a magnitude of 4.07 T. a. Calculate the initial speed of the electron upon entering the magnetic field. b. Calculate the magnitude and direction of the magnetic force on the electron. c. Calculate the radius of the electron's circular path. A +46μC -ve +ve electron 4.0 cm C B +82μC 5.0 cm

m 5) An Amazon package (2 kg) starts from rest, then begins to slide down a 4 m tall ramp that is inclined at 30°. The package then travels 12 m along a horizontal surface where it pushes into a spring (k = 3000 N/m). The package compresses the spring a distance x before coming momentarily to rest. Then the package is pushed in the opposite direction by the spring. The coefficient of friction between the ramp/floor and the package is 0.21. Calculate x and determine if the package will stop before it gets back to the ramp or if it will begin to slide up the ramp. h mm 6) A roller blader (84 kg) is travelling at 19 m/s [E]. A 21.2 kg child is riding a 7.8 kg bike at a speed of 6 m/s [W]. The roller blader and the cycling child collide in what can be assumed to be an elastic collision. What are the final velocities of the roller blader and the cycling child after the collision? 7) In the diagram, A and B represent small spherical charges of +46 μC and +82 μC, respectively. What is the magnitude and direction of the electric field intensity at point C? 8) An electron accelerates from rest, through an electric field, and into a magnetic field as shown in the diagram below. The plates have a potential difference of 122 V, and the magnetic field has a magnitude of 4.07 T. a. Calculate the initial speed of the electron upon entering the magnetic field. b. Calculate the magnitude and direction of the magnetic force on the electron. c. Calculate the radius of the electron's circular path. A +46μC -ve +ve electron 4.0 cm C B +82μC 5.0 cm

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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m 5) An Amazon package (2 kg) starts from rest, then begins to slide down a 4 m tall ramp that is inclined at 30°. The package then travels 12 m along a horizontal surface where it pushes into a spring (k = 3000 N/m). The package compresses the spring a distance x before coming momentarily to rest. Then the package is pushed in the opposite direction by the spring. The coefficient of friction between the ramp/floor and the package is 0.21. Calculate x and determine if the package will stop before it gets back to the ramp or if it will begin to slide up the ramp. h mm 6) A roller blader (84 kg) is travelling at 19 m/s [E]. A 21.2 kg child is riding a 7.8 kg bike at a speed of 6 m/s [W]. The roller blader and the cycling child collide in what can be assumed to be an elastic collision. What are the final velocities of the roller blader and the cycling child after the collision? 7) In the diagram, A and B represent small spherical charges of +46 μC and +82 μC, respectively. What is the magnitude and direction of the electric field intensity at point C? 8) An electron accelerates from rest, through an electric field, and into a magnetic field as shown in the diagram below. The plates have a potential difference of 122 V, and the magnetic field has a magnitude of 4.07 T. a. Calculate the initial speed of the electron upon entering the magnetic field. b. Calculate the magnitude and direction of the magnetic force on the electron. c. Calculate the radius of the electron's circular path. A +46μC -ve +ve electron 4.0 cm C B +82μC 5.0 cm
Transcribed Image Text:m 5) An Amazon package (2 kg) starts from rest, then begins to slide down a 4 m tall ramp that is inclined at 30°. The package then travels 12 m along a horizontal surface where it pushes into a spring (k = 3000 N/m). The package compresses the spring a distance x before coming momentarily to rest. Then the package is pushed in the opposite direction by the spring. The coefficient of friction between the ramp/floor and the package is 0.21. Calculate x and determine if the package will stop before it gets back to the ramp or if it will begin to slide up the ramp. h mm 6) A roller blader (84 kg) is travelling at 19 m/s [E]. A 21.2 kg child is riding a 7.8 kg bike at a speed of 6 m/s [W]. The roller blader and the cycling child collide in what can be assumed to be an elastic collision. What are the final velocities of the roller blader and the cycling child after the collision? 7) In the diagram, A and B represent small spherical charges of +46 μC and +82 μC, respectively. What is the magnitude and direction of the electric field intensity at point C? 8) An electron accelerates from rest, through an electric field, and into a magnetic field as shown in the diagram below. The plates have a potential difference of 122 V, and the magnetic field has a magnitude of 4.07 T. a. Calculate the initial speed of the electron upon entering the magnetic field. b. Calculate the magnitude and direction of the magnetic force on the electron. c. Calculate the radius of the electron's circular path. A +46μC -ve +ve electron 4.0 cm C B +82μC 5.0 cm
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