1. A 15.0 kg object is thrown vertically into the air. [f the initial acceleration of the object is 8.80 m/s, whut is the applied force? 2. An object is pulled west along a horizontal frictionless surface with a steady horizontal force of 12.0 N. If the object accelerates from rest to a velocity of 4.0 m/s while moving 5.0 m, what is the mass of the object? 3. A horizontal force of 90.0 N is roquired to push a 75.0 kg object along a horizontal surface at a constant speed. What is the force of friction? 4. Two masses of 1.5 kg and 2.0 kg are hung on a frictionless pulley, as shown in the diagram. What is the acceleration of: a) the 1.5 kg mass? 1.5 kg 2.0 kg b) the 2.0 kg mass? 5. An 8.0 kg object is pulled vertically upward by a rope. If the tension in the rope is constant at 95 N, what is the velocity of the onject after I.1 s? (Assume the ohjec: was initial y at rest.)
1. A 15.0 kg object is thrown vertically into the air. [f the initial acceleration of the object is 8.80 m/s, whut is the applied force? 2. An object is pulled west along a horizontal frictionless surface with a steady horizontal force of 12.0 N. If the object accelerates from rest to a velocity of 4.0 m/s while moving 5.0 m, what is the mass of the object? 3. A horizontal force of 90.0 N is roquired to push a 75.0 kg object along a horizontal surface at a constant speed. What is the force of friction? 4. Two masses of 1.5 kg and 2.0 kg are hung on a frictionless pulley, as shown in the diagram. What is the acceleration of: a) the 1.5 kg mass? 1.5 kg 2.0 kg b) the 2.0 kg mass? 5. An 8.0 kg object is pulled vertically upward by a rope. If the tension in the rope is constant at 95 N, what is the velocity of the onject after I.1 s? (Assume the ohjec: was initial y at rest.)
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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