EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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(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?
(4) An object has a velocity of (5.4 m/s) i – (4.8 m/s) j. Over a period of 1.3 s, its velocity
changes to (1.7 m/s) i + (5.9 m/s) j. What is its
A)
average
acceleration?
-(3.7 m/s). + (11 m/s) j
B)
-(2.8 m/s) + (8.2 m/s)?
C)
(3.7 m/s)' + (11 m/s)
D) (2.8 m/s)? + (8.2 m/s)
E)
(2.8 m/s)' + (1.1 m/s)
36 km/h to
Braking uniformly reduces the speed of a train from vị
3.
V2 = 7.2 km/h during 100 seconds.
Find: (1) the negative acceleration of the train;
(2) the distance traveled by the train during the time the brakes are
applied.
B) – 0.06 m/s² ; 800 m.
D) – 0.08 m/s?; 600 m.
A) – 0.055 m/s? ; 900 m.
C) – 0.07 m/s?; 700 m.
Chapter 2 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
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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- The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making straight skid marks 62.4 m long, all the way to the tree. With what speed does the car then strike the tree?arrow_forwardA race car entering the curved part of the track at the Daytona 500 drops its speed from 85.0 m/s to 80.0 m/ s in 2.0 s. If the radius of the curved part of the track is 316.0 m, calculate the total acceleration of the race car at the beginning and ending of reduction of speed.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
- (I) A sports car accelerates from rest to 95km/h in 4.3 s.What is its average acceleration in m/s2 ?arrow_forwardA car moves in a straight line at 22.0 m/s for 9.0 miles, then at 30.0 m/s for another 9.0 miles. (a) Is the car's average speed less than, greater than, or equal to 26.0 m/s? O less than 26.0 m/s equal to 26.0 m/s O greater than 26.0 m/s (b) Calculate the car's average speed in meters/second. (Enter your answer to three significant figures.) m/sarrow_forward. 37) A cheetah can accelerate from rest to a speed of 30.0 m/s in 7.00 s. What is its acceleration?arrow_forward
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- A bicyclist is finishing his repair of a flat tire when a friend ridesby with a constant speed of 3.5 m>s. Two seconds later the bicyclisthops on his bike and accelerates at 2.4 m>s2 until he catches hisfriend. (a) How much time does it take until he catches his friend?(b) How far has he traveled in this time? (c) What is his speedwhen he catches up?arrow_forward. A football player initially at rest accelerates uniformly as she runs down the field, travelling 17 m [E] in 3.8 s. What is her final velocity?arrow_forwardA jet plane has a takeoff speed of Vto = 73 m/s and can move along the runway at an average acceleration of 1.5 m/s². If the length of the runway is 1.7 km, will the plane be able to use this runway safely? O Yes No Defend your answer.arrow_forward
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Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY