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Conceptual Physics 12th Edition Hewitt |Conceptual Physics 12th Edition Hewitt |Conceptual Physics 12th Edition Hewitt Test Bank Chapters 1 -36

Conceptual Physics, 12e ( Hewitt ) Chapter 1 About Science 1.1 Multiple-Choice Questions 1) Science is a body of knowledge that 1. A) describes order in nature. 2. B) is an ongoing human activity. 3. C) condenses knowledge into testable laws. 4. D) all of the above 5. E) none of the above Answer: D Diff: 1 Topic: Scientific Measurements 2) To a fair approximation, Early Greeks knew the 1. A) size of Earth. 2. B) size of the Moon. 3. C) Earth-Moon distance. 4. D) all ...

10) A motorcycle of mass 100 kilograms slowly rolls off the edge of a cliff and falls for three seconds before reaching the bottom of a gully. Its momentum upon hitting the ground is 1. A) 1,000 kg m/s. 2. B) 2,000 kg m/s. 3. C) 3,000 kg m/s. 4. D) 4,000 kg m/s. 5. E) 9,000 kg m/. Answer: C Diff: 3 Topic: Momentum

27) A cannon recoils while firing a cannonball. The speed of the cannon’s recoil is relatively small because the 1. A) force against the cannon is smaller than against the ball. 2. B) momentum is mainly concentrated in the cannonball. 3. C) cannon has much more mass than the cannonball. 4. D) momentum of the cannon is smaller. Answer: C Diff: 2 Topic: Impulse Changes Momentum