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Physics: Principles with Applications
7th Edition
ISBN: 9780321625922
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Textbook Question
Chapter 16, Problem 17P
Two small nonconducting spheres have a total charge of 90.0 µC. (a) When placed 28.0 cm apart, the force each exerts on the other is 12.0 N and is repulsive. What is the charge on each? (b) What if the force were attractive?
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A rocket is launched at an angle of 60.0° above the horizontal with an initial speed of 97 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 28.0 m/s². At this time, its engines fail and the rocket proceeds to move as a projectile.
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Race car driver is cruising down the street at a constant speed of 28.9 m/s (~65 mph; he has a “lead” foot) when the traffic light in front of him turns red. a) If the driver’s reaction time is 160 ms, how far does he and his car travel down the road from the instant he sees the light change to the instant he begins to slow down? b) If the driver’s combined reaction and movement time is 750 ms, how far do he and his car travel down the road from the instant he sees the light change to the instant he slams on her brakes and car begins to slow down? Please answer parts a-B. Show all work. For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places. DONT FORGET TO DRAW VECTORS! ONLY USE BASIC FORMULAS TAUGHT IN PHYSICS. distance = speed * time.
Race car driver is cruising down the street at a constant speed of 28.9 m/s (~65 mph; he has a “lead” foot) when the traffic light in front of him turns red. a) If the driver’s reaction time is 160 ms, how far does he and his car travel down the road from the instant he sees the light change to the instant he begins to slow down? b) If the driver’s combined reaction and movement time is 750 ms, how far do he and his car travel down the road from the instant he sees the light change to the instant he slams on her brakes and car begins to slow down? c) If the driver’s average rate of acceleration is -9.5 m/s2 as he slows down, how long does it take him to come to a stop (use information about his speed of 28.9 m/s but do NOT use his reaction and movement time in this computation)? Please answer parts a-c. Show all work. For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise.…
Chapter 16 Solutions
Physics: Principles with Applications
Ch. 16 - Prob. 1OQCh. 16 - If you charge a pocket comb by rubbing it with a...Ch. 16 - Why does a shirt or blouse taken from a clothes...Ch. 16 - Explain why fog or rain droplets tend to form...Ch. 16 - Why does a plastic ruler that has been rubbed with...Ch. 16 - A positively charged rod is brought close to a...Ch. 16 - Prob. 6QCh. 16 - Figures 16-7 and 16-8 show how a charged rod...Ch. 16 - Prob. 8QCh. 16 - Prob. 9Q
Ch. 16 - Prob. 10QCh. 16 - Prob. 11QCh. 16 - Prob. 12QCh. 16 - Prob. 13QCh. 16 - Prob. 14QCh. 16 - Prob. 15QCh. 16 - Assume that the two opposite charges in Fig....Ch. 16 - Consider the electric field at the three points...Ch. 16 - Why can electric field lines never cross?Ch. 16 - Show, using the three rules for field lines given...Ch. 16 - Given two point charges, Q and 2Q, a distance l...Ch. 16 - Consider a small positive test charge located on...Ch. 16 - A point charge is surrounded by a spherical...Ch. 16 - Q1=0.10c is located at the origin. Q2=+0.10c is...Ch. 16 - Swap the positions of Q1 and Q2 of MisConceptual...Ch. 16 - Fred the lightning bug has a mass m and a charge...Ch. 16 - Figure 16—50 shows electric field lines due to a...Ch. 16 - A negative point charge is in an electric field...Ch. 16 - As an object acquires a positive charge, its mass...Ch. 16 - Refer to Fig. 16—32d. If the two charged plates...Ch. 16 - We wish to determine the electric field at a point...Ch. 16 - We are usually not aware of the electric force...Ch. 16 - To be safe during a lightning storm, it is best to...Ch. 16 - Which are the worst places in MisConceptual...Ch. 16 - Which vector best represents the direction of the...Ch. 16 - A small metal ball hangs from the ceiling by an...Ch. 16 - What is the magnitude of the electric force of...Ch. 16 - How many electrons make up a charge of —48.0 µC?Ch. 16 - What is the magnitude of the force a +25 µc charge...Ch. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Two charged dust particles exert a force of 42102N...Ch. 16 - Two small charged spheres are 6.52 cm apart. They...Ch. 16 - A person scuffing her feet on a wool rug on a dry...Ch. 16 - What is the total charge of all the electrons in a...Ch. 16 - Prob. 10PCh. 16 - Particles of charge +65, +48, and -95 µC are...Ch. 16 - Three positive particles of equal charge, +17.0...Ch. 16 - A charge Q is transferred from an initially...Ch. 16 - Prob. 14PCh. 16 - Prob. 15PCh. 16 - Prob. 16PCh. 16 - Two small nonconducting spheres have a total...Ch. 16 - Two charges, -Q and -3Q are a distance l apart....Ch. 16 - Determine the magnitude and direction of the...Ch. 16 - A proton is released in a uniform electric field,...Ch. 16 - Determine the magnitude and direction of the...Ch. 16 - A downward electric force of 6.4 N is exerted on a...Ch. 16 - Determine the magnitude of the acceleration...Ch. 16 - Determine the magnitude and direction of the...Ch. 16 - Draw, approximately, the electric field lines...Ch. 16 - What is the electric field strength at a point in...Ch. 16 - An electron is released from rest in a uniform...Ch. 16 - The electric field midway between two equal but...Ch. 16 - Calculate the electric field at one corner of a...Ch. 16 - Calculate the electric field at the center of a...Ch. 16 - Prob. 31PCh. 16 - Prob. 32PCh. 16 - Determine the electric field E at the origin 0 in...Ch. 16 - Prob. 34PCh. 16 - Prob. 35PCh. 16 - Prob. 36PCh. 16 - Prob. 37PCh. 16 - The total electric flux from a cubical box of side...Ch. 16 - Prob. 39PCh. 16 - 40. (II) A cube of side 8.50 cm is placed in a...Ch. 16 - Prob. 41PCh. 16 - Prob. 42PCh. 16 - A point charge Q rests at the center of an...Ch. 16 - Prob. 44GPCh. 16 - Given that the human body is mostly made of water,...Ch. 16 - Prob. 46GPCh. 16 - Prob. 47GPCh. 16 - (a) The electric field near the Earth's surface...Ch. 16 - A water droplet of radius 0.018 mm remains...Ch. 16 - Prob. 50GPCh. 16 - Prob. 51GPCh. 16 - Two small charged spheres hang from cords of equal...Ch. 16 - Prob. 53GPCh. 16 - Dry air will break down and generate a spark if...Ch. 16 - Prob. 55GPCh. 16 - Prob. 56GPCh. 16 - A point charge (m = 1.0 gram) at the end of an...Ch. 16 - Prob. 58GPCh. 16 - Prob. 59GPCh. 16 - Prob. 60GPCh. 16 - Prob. 61GPCh. 16 - An electron with speed v0= 5.32 x 106 m/s is...Ch. 16 - Prob. 63GPCh. 16 - Prob. 64GPCh. 16 - Prob. 65GPCh. 16 - Determine the direction and magnitude of the...Ch. 16 - A mole of carbon contains 7.22 × 1024 electrons....
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