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3. A boy sits on a tire swing that is attached to a rope. The rope passes over a pulley fastened to the ceiling, and then passes back down to the boy's hands. If the weight of the boy plus the tire is w, what is the force with which the boy must pull on the free end of the rope to support the tire? 4. Pedro, not used to ice skating, got stuck in the middle of a frictionless skating rink. Good thing he is connected to Juan, who is in the bleacher, with a light string. Juan pulled Pedro with a horizontal force of 100 N. If Pedro is initially at rest and his mass is 50 kg, how fast is he moving after 3.0 s? 5. Einstein walks into an elevator cab and steps on a scale. If Einstein's mass is 62.0 kg, what does the scale read while the cab is accelerating upward at 3.20 m/s?

3. A boy sits on a tire swing that is attached to a rope. The rope passes over a pulley fastened to the ceiling, and then passes back down to the boy's hands. If the weight of the boy plus the tire is w, what is the force with which the boy must pull on the free end of the rope to support the tire? 4. Pedro, not used to ice skating, got stuck in the middle of a frictionless skating rink. Good thing he is connected to Juan, who is in the bleacher, with a light string. Juan pulled Pedro with a horizontal force of 100 N. If Pedro is initially at rest and his mass is 50 kg, how fast is he moving after 3.0 s? 5. Einstein walks into an elevator cab and steps on a scale. If Einstein's mass is 62.0 kg, what does the scale read while the cab is accelerating upward at 3.20 m/s?

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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3. A boy sits on a tire swing that is attached to a rope. The rope passes over a pulley fastened to the ceiling, and then passes back down to the boy's hands. 4. Pedro, not used to ice skating, got stuck in the middle of a frictionless skating 3. A boy sits on a tire swing that is attached to a rope. The rope passes over If the weight of the boy plus the tire is w, what is the force with which the boy must pull on the free end of the rope to support the tire? rink. Good thing he is connected to Juan, who is in the bleacher, with a light string. Juan pulled Pedro with a horizontal force of 100 N. If Pedro is initially at rest and his mass is 50 kg, how fast is he moving after 3.0 s? 5. Einstein walks into an elevator cab and steps on a scale. If Einstein's mass is 62.0 kg, what does the scale read while the cab is accelerating upward at 3.20 m/s2?
Transcribed Image Text:3. A boy sits on a tire swing that is attached to a rope. The rope passes over a pulley fastened to the ceiling, and then passes back down to the boy's hands. 4. Pedro, not used to ice skating, got stuck in the middle of a frictionless skating 3. A boy sits on a tire swing that is attached to a rope. The rope passes over If the weight of the boy plus the tire is w, what is the force with which the boy must pull on the free end of the rope to support the tire? rink. Good thing he is connected to Juan, who is in the bleacher, with a light string. Juan pulled Pedro with a horizontal force of 100 N. If Pedro is initially at rest and his mass is 50 kg, how fast is he moving after 3.0 s? 5. Einstein walks into an elevator cab and steps on a scale. If Einstein's mass is 62.0 kg, what does the scale read while the cab is accelerating upward at 3.20 m/s2?
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