Modified Mastering Physics With Pearson Etext -- Standalone Access Card -- For Physics For Scientists & Engineers With Modern Physics (5th Edition)
5th Edition
ISBN: 9780134402628
Author: Douglas C. Giancoli
Publisher: PEARSON
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(II) A horse trots away from its trainer in a straight line, moving 38 m away in 9.0 s. It then turns abruptly and gallops halfway back in 1.8 s. Calculate (a) its average speed and (b) its average velocity for the entire trip, using“away from the trainer” as the positive direction
(II) You are driving home from school steadily at 95km/h for 180 km. It then begins to rain and you slow to 65km/h You arrive home after driving 4.5 h. (a) How far is your hometown from school? (b) What was your average speed?
(III) An unmarked police car traveling a constant 95km/h is passed by a speeder traveling 135km/h Precisely 1.00 s after the speeder passes, the police officer steps on the accelerator; if the police car’s acceleration is 2.60m/s2 how much time passes before the police car overtakes thespeeder (assumed moving at constant speed)?
Chapter 2 Solutions
Modified Mastering Physics With Pearson Etext -- Standalone Access Card -- For Physics For Scientists & Engineers With Modern Physics (5th Edition)
Ch. 2.1 - An ant starts at x = 20cm on a piece of graph...Ch. 2.3 - What is your speed at the instant you turn around...Ch. 2.4 - A powerful car is advertised to go from zero to 60...Ch. 2.4 - A car moves along the x axis. What is the sign of...Ch. 2.4 - The position of a particle is given by the...Ch. 2.5 - Prob. 1FECh. 2.7 - Prob. 1GECh. 2.7 - Prob. 1HECh. 2 - Does a car speedmeter measure speed, velocity, or...Ch. 2 - Can an object have a varying speed if its velocity...
Ch. 2 - When an object moves with constant velocity, does...Ch. 2 - If one object has a greater speed than a second...Ch. 2 - Compare the acceleration of a motorcycle that...Ch. 2 - Can an object have a northward velocity and a...Ch. 2 - Can the velocity of an object be negative when its...Ch. 2 - Give an example where both the velocity and...Ch. 2 - Two cars emerge side by side from a tunnel. Car A...Ch. 2 - Can an object be increasing in speed as its...Ch. 2 - A baseball player hits a ball straight up into the...Ch. 2 - As a freely falling object speeds up, what is...Ch. 2 - You travel from point A to point B in a car moving...Ch. 2 - Can an object have zr velocity and nonzero...Ch. 2 - Can an object have zero acceleration and nonzero...Ch. 2 - Which of these motions is not at constant...Ch. 2 - Prob. 17QCh. 2 - Describe in words the motion plotted in Fig. 236...Ch. 2 - Describe in words the motion of the object graphed...Ch. 2 - Prob. 1MCQCh. 2 - Prob. 2MCQCh. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - Prob. 7MCQCh. 2 - Prob. 9MCQCh. 2 - Prob. 11MCQCh. 2 - (I) If you are driving 110 km/h along a straight...Ch. 2 - What must your cars average speed be in order to...Ch. 2 - (I) A particle at t1 = 2.0 s is at x1 = 4.3 cm and...Ch. 2 - (II) According to a rule-of-thumb, every five...Ch. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 24PCh. 2 - (II) A car moving in a straight line starts at x =...Ch. 2 - Prob. 26PCh. 2 - Prob. 27PCh. 2 - (II) The position of a racing car, which starts...Ch. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Prob. 37PCh. 2 - Prob. 38PCh. 2 - Prob. 39PCh. 2 - Prob. 40PCh. 2 - (II) A car traveling 85 km/h slows down at a...Ch. 2 - Prob. 42PCh. 2 - Prob. 43PCh. 2 - Prob. 45PCh. 2 - Prob. 46PCh. 2 - Prob. 47PCh. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - Prob. 50PCh. 2 - Prob. 52PCh. 2 - Prob. 53PCh. 2 - Prob. 54PCh. 2 - Prob. 55PCh. 2 - Prob. 56PCh. 2 - Prob. 57PCh. 2 - (II) The best rebounders in basketball have a...Ch. 2 - Prob. 59PCh. 2 - Prob. 60PCh. 2 - Prob. 61PCh. 2 - Prob. 62PCh. 2 - Prob. 63PCh. 2 - Prob. 64PCh. 2 - Prob. 65PCh. 2 - Prob. 66PCh. 2 - Prob. 67PCh. 2 - Prob. 69PCh. 2 - (III) A toy rocket moving vertically upward passes...Ch. 2 - Prob. 71PCh. 2 - Prob. 72PCh. 2 - Prob. 73PCh. 2 - (III) Air resistance acting on a falling body can...Ch. 2 - Prob. 75GPCh. 2 - A person jumps from a fourth-story window 15.0 m...Ch. 2 - Prob. 77GPCh. 2 - Prob. 78GPCh. 2 - Prob. 79GPCh. 2 - Prob. 80GPCh. 2 - Consider the street pattern shown in Fig. 247....Ch. 2 - Prob. 82GPCh. 2 - Prob. 83GPCh. 2 - Prob. 84GPCh. 2 - Prob. 86GPCh. 2 - Prob. 87GPCh. 2 - In putting, the force with which a golfer strikes...Ch. 2 - Prob. 89GPCh. 2 - Prob. 91GPCh. 2 - Prob. 92GPCh. 2 - Prob. 93GPCh. 2 - Prob. 94GPCh. 2 - Prob. 95GPCh. 2 - Prob. 96GPCh. 2 - Prob. 97GPCh. 2 - Prob. 98GPCh. 2 - Prob. 99GPCh. 2 - Prob. 100GPCh. 2 - Prob. 101GPCh. 2 - Prob. 102GPCh. 2 - You are traveling at a constant speed vM, and...
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- (III) A fugitive tries to hop on a freight train traveling at a constant speed of 5.00 m/s Just as an empty box car passes him, the fugitive starts from rest and accelerates at a= 1.4 m/s2 to his maximum speed of 6.0 m/s which he then maintains. (a) How long does it take him to catch up to the empty box car? (b) What is the distance traveled to reach the box car?arrow_forward(II) A driver is traveling 18.0 m/s when she sees a red light ahead. Her car is capable of decelerating at a rate of 3.65 m/s2 If it takes her 0.350 s to get the brakes on and she is 20.0 m from the intersection when she sees the light,will she be able to stop in time? How far from the beginning of the intersection will she be, and in what direction?arrow_forward(II) A runner hopes to complete the 10,000-m run in less than 30.0 min. After running at constant speed for exactly 27.0 min, there are still 1200 m to go. The runner must then accelerate at 0.20m/s2 for how many seconds in order to achieve the desired time?arrow_forward
- (II) A baseball pitcher throws a baseball with a speed of 43 m/s. Estimate the average acceleration of the ball during the throwing motion. In throwing the baseball, the pitcher accelerates it through a displacement of about 3.5 m, from behind 3.5 m the body to the point where it is released (Fig. 2–37). FIGURE 2-37 Problem 25.arrow_forward(III) A stone is thrown vertically upward with a speed of 12.0 m/s from the edge of a cliff 70.0 m high (Fig. 2-34). (a) How much later does it reach the bottom of the cliff? (b) What is its speed just before hitting? (c) What total distance did it travel?arrow_forward(II) At highway speeds, a particular automobile is capable of an acceleration of 1.8m/s2 about At this rate, how long does it take to accelerate from 65km/h to 120km/h ?arrow_forward
- (I) A sprinter accelerates from rest to 9.00 m/s in 1.38 s. What is her acceleration in (a) m/s2; (b) km/h2?arrow_forward(III) Sketch the v vs. t graph for the object whose displacement as a function of time is given by Fig. 2–44arrow_forward(III) A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.5 m long. The bowler hears the sound of the ball hitting the pins 2.80 s after the ball is released from his hands. What is the speed of theball, assuming the speed of sound is 340m/sarrow_forward
- (II) Determine the stopping distances for an automobile going a constant initial speed of 95km/h and human reaction time of 0.40 s: (a) for an acceleration a = –3.0 ms2;(b) for a = –6.0 ms2arrow_forward26. (II) In coming to a stop, a car leaves skid marks 92 m long on the highway. Assuming a deceleration of 7.00 m/s. estimate the speed of the car just before braking.arrow_forward(II) A car traveling 75km/h slows down at a constant 0.50 m/s2 just by “letting up on the gas.” Calculate (a) the distance the car coasts before it stops, (b) the time it takes to stop, and (c) the distance it travels during the first and fifth secondsarrow_forward
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