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3. Completely answer the following questions. a. A person is pushing a block across a flat frictionless surface. By applying one of Newton's laws, describe what the motion of the block will be once the person stops pushing the block. Ignore air drag. b. What two properties does a vector (such as velocity) have? c. What does it mean to say that a quantity is conserved? Segtudeot d. Which object requires more heat to raise its temperature 1°C; a 1 kg block of copper (c=390 J/kg-°C), a 1 kg block of lead (c=130 J/kg-°C), or a 1 kg block of aluminum (c=900 J/kg.°C)? Briefly justify your answer. e. An ice skater pushes on the wall surrounding the ice rink and starts to move backwards. Using Newton's 3rd law, explain why the skater moves.

3. Completely answer the following questions. a. A person is pushing a block across a flat frictionless surface. By applying one of Newton's laws, describe what the motion of the block will be once the person stops pushing the block. Ignore air drag. b. What two properties does a vector (such as velocity) have? c. What does it mean to say that a quantity is conserved? Segtudeot d. Which object requires more heat to raise its temperature 1°C; a 1 kg block of copper (c=390 J/kg-°C), a 1 kg block of lead (c=130 J/kg-°C), or a 1 kg block of aluminum (c=900 J/kg.°C)? Briefly justify your answer. e. An ice skater pushes on the wall surrounding the ice rink and starts to move backwards. Using Newton's 3rd law, explain why the skater moves.

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. Completely answer the following questions. a. A person is pushing a block across a flat frictionless surface. By applying one of Newton's laws, describe what the motion of the block will be once the person stops pushing the block. Ignore air drag. b. What two properties does a vector (such as velocity) have? c. What does it mean to say that a quantity is conserved? Segtudeot d. Which object requires more heat to raise its temperature 1°C; a 1 kg block of copper (c=390 J/kg-°C), a 1 kg block of lead (c=130 J/kg-°C), or a 1 kg block of aluminum (c=900 J/kg.°C)? Briefly justify your answer. e. An ice skater pushes on the wall surrounding the ice rink and starts to move backwards. Using Newton's 3rd law, explain why the skater moves.
Transcribed Image Text:3. Completely answer the following questions. a. A person is pushing a block across a flat frictionless surface. By applying one of Newton's laws, describe what the motion of the block will be once the person stops pushing the block. Ignore air drag. b. What two properties does a vector (such as velocity) have? c. What does it mean to say that a quantity is conserved? Segtudeot d. Which object requires more heat to raise its temperature 1°C; a 1 kg block of copper (c=390 J/kg-°C), a 1 kg block of lead (c=130 J/kg-°C), or a 1 kg block of aluminum (c=900 J/kg.°C)? Briefly justify your answer. e. An ice skater pushes on the wall surrounding the ice rink and starts to move backwards. Using Newton's 3rd law, explain why the skater moves.
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