chap 3 and 4

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Physics

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Dec 6, 2023

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11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 1/9 M02 Chapter 3 and 4 Assessment Due Sep 3 at 11:59pm Points 20 Questions 20 Available until Sep 3 at 11:59pm Time Limit 20 Minutes Allowed Attempts 2 Instructions This quiz was locked Sep 3 at 11:59pm. Attempt History Attempt Time Score LATEST Attempt 1 19 minutes 18 out of 20 Answers will be shown after your last attempt Score for this attempt: 18 out of 20 Submitted Sep 2 at 11:35am This attempt took 19 minutes. You will have 20 multiple choice questions to answer over the material, one point each for a total of 20 points. The 'clock' is set for 20 minutes, so make sure you have reviewed the material before and are ready to take this. You'll be able to take this quiz twice and the highest score of the two attempts will be kept. Good luck! 1 / 1 pts Question 1 When the speed of an object is doubled, its momentum _______. none of these answers doubles decreases
11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 2/9 quadruples 1 / 1 pts Question 2 Which has more momentum after firing, the cannonball or the recoiling cannon? none of these answers. The cannon ball. They are both the same. The recoiling cannon. 1 / 1 pts Question 3 Earth is gravitationally pulled toward _______. Jupiter Mars All the choices are correct. The Sun 1 / 1 pts Question 4
11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 3/9 Newton did not discover gravity, for early humans discovered that whenever they fell. What Newton did discover is that gravity _______. extends throughout the universe. tells us about why the universe expands. tells us how to discover new planets. accounts for the existence of black holes. 1 / 1 pts Question 5 Raising an car in a service station requires work. Raising it twice as high requires _______. twice the work half as much work four times the work the same work 1 / 1 pts Question 6 Which of the following equations is most useful for solving a problem that asks for the distance a fast-moving crate sliding across a factory floor in coming to a stop? KE = 1/2 mv 2
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11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 4/9 F = ma Ft = Δm. Fd = Δ1/2 mv 2 0 / 1 pts Question 7 Incorrect Incorrect According to the law of energy conservation, energy can be _______. created only transferred or transformed all of the choices destroyed 1 / 1 pts Question 8 he main sources of energy on Earth are _______. solar and nuclear wind and tidal gasoline and fuel cells potential energy and kinetic energy
11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 5/9 1 / 1 pts Question 9 Consider a space probe three times as far from Earth's center as it would be at Earth's surface. Compared to at Earth's surface, its gravitational attraction to Earth at this distance is about _______. one-ninth as much zero one-third as much one-half as much 1 / 1 pts Question 10 When you toss a projectile sideways, it curves as it falls. It will be an Earth satellite if the curve it makes _______. results in a straight line none of these answer matches the curved surface of Earth spirals out indefinitely 1 / 1 pts Question 11 The impulse-momentum relationship is a direct result of Newton's _______.
11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 6/9 third law second law Law of Gravity first law 1 / 1 pts Question 12 The Moon falls toward Earth in the sense that it falls _______. beneath the straight-line it would take without gravity with an acceleration of 10 m/s2, as do apples on Earth Neither of these answers is correct. Both of these answers are correct 1 / 1 pts Question 13 When 100 J are put into a device that puts out 40 J, the efficiency of the device is _______. 140% 50% 60% 40%
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11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 7/9 1 / 1 pts Question 14 In an ideal pulley system, a woman lifts a 100-N crate by pulling a rope downward with a force of 25 N. For every one-meter length of rope she pulls downward, the crate rises _______. 50 centimeters 25centimeters 45 centimeters none of these answers 0 / 1 pts Question 15 Incorrect Incorrect Which has the greater momentum when moving? a bullet either of these depending on speed a container ship No answer text provided. 1 / 1 pts Question 16 Phil stands at rest with both feet on a scale that reads 500 N. After he gently lifts one foot, the scale reads
11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 8/9 less than 500N No answer text provided. 500 N more than 500N 1 / 1 pts Question 17 The force of a falling apple hitting the ground depends upon the time of contact with the ground all of the choices whether or not the apple bounces the speed of the apple just before it hits the ground 1 / 1 pts Question 18 According to Newton, the greater the distance between gravitationally interacting objects, the No answer text provided. constancy of the force between them more the gravitational force between them less the gravitational force between them
11/29/23, 12:55 PM M02 Chapter 3 and 4 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217167?module_item_id=44057059 9/9 1 / 1 pts Question 19 When Jean standing on slippery ice catches her leaping dog Daisy, the momentum of both Jean and Daisy after the catch is No answer text provided. somewhat less than their combined momentum before the catch equal to their combined momentum before the catch greater than their combined momentum before the catch 1 / 1 pts Question 20 The unit kilowatt-hour is a unit of momentume energy power time Quiz Score: 18 out of 20
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