College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Textbook Question
Chapter 27, Problem 65GP
What is the speed of a proton after being accelerated from rest through a 50 × 106 V potential difference?
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You are working with a team that is designing a new roller coaster-type amusement park ride for a major theme park. You are present for the testing of the ride, in which an empty 150 kg car is sent along the entire ride. Near the end of the ride, the car is at near rest at the top of a 100 m
tall track. It then enters a final section, rolling down an undulating hill to ground level. The total length of track for this final section from the top to the ground is 250 m. For the first 230 m, a constant friction force of 370 N acts from computer-controlled brakes. For the last 20 m, which is
horizontal at ground level, the computer increases the friction force to a value required for the speed to be reduced to zero just as the car arrives at the point on the track at which the passengers exit.
(a) Determine the required constant friction force (in N) for the last 20 m for the empty test car.
N
(b) Find the highest speed (in m/s) reached by the car during the final section of track length…
A player kicks a football at the start of the game. After a 4 second flight, the ball touches the ground 50 m from the kicking tee. Assume air resistance is negligible and the take-off and landing height are the same (i.e., time to peak = time to fall = ½ total flight time). (Note: 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.) Calculate and answer all parts. Only use equations PROVIDED:
Please answer.
Chapter 27 Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. 27 - Prob. 1CQCh. 27 - Frame S moves relative to frame S as shown in...Ch. 27 - a. Two balls move as shown in Figure Q27.3. What...Ch. 27 - A lighthouse beacon alerts ships to the danger of...Ch. 27 - As a racket passes the earth at 0.75c, it fires a...Ch. 27 - At the instant that a clock standing next to you...Ch. 27 - Prob. 7CQCh. 27 - Firecrackers 1 and 2 are 600 m apart. You are...Ch. 27 - Your clocks and calendars are synchronized with...Ch. 27 - Two trees are 600 m apart. You are standing...
Ch. 27 - Figure Q27.11 shows Peggy standing at the center...Ch. 27 - In Figure Q27.12, clocks C1 and C2, in frame S are...Ch. 27 - A meter stick passes you at a speed of 0.5c....Ch. 27 - Youre passing a car on the highway. You want to...Ch. 27 - Prob. 15CQCh. 27 - Prob. 16CQCh. 27 - The rocket speeds shown in Figure Q27.18 are...Ch. 27 - Can a particle of mass m have total energy less...Ch. 27 - In your chemistry classes, you have probably...Ch. 27 - Lee and Leigh are twins. At their first birthday...Ch. 27 - A space cowboy wants to eject from his spacecraft...Ch. 27 - A lamp flashes at the origin. Then, 1 s later, a...Ch. 27 - Prob. 24MCQCh. 27 - A particle moving at speed 0.40c has momentum p0....Ch. 27 - A particle moving at speed 0.40c has kinetic...Ch. 27 - A sprinter crosses the finish line of a race. The...Ch. 27 - A baseball pitcher can throw a ball with a speed...Ch. 27 - A boy on a skateboard coasts along at 5 m/s. He...Ch. 27 - A boat takes 3.0 hours to travel 30 km down a...Ch. 27 - When the moving sidewalk at the airport is broken,...Ch. 27 - Prob. 6PCh. 27 - An out-of-control alien spacecraft is diving into...Ch. 27 - A starship blasts past the earth at 2.0 103 m/s....Ch. 27 - You are flying at 0.99c with respect to Kara. At...Ch. 27 - You are standing at the point x = 300 m, y = 400 m...Ch. 27 - Prob. 11PCh. 27 - Bianca is standing at x = 600 m. Firecracker 1, at...Ch. 27 - You are standing at x = 9.0 km Lightning bolt 1...Ch. 27 - A light flashes at position x = 0 m. One...Ch. 27 - Jose is baking to the east. Lightning bolt 1...Ch. 27 - Your 1000-m-long starship has warning lights at...Ch. 27 - There is a lightbulb exactly halfway between the...Ch. 27 - A cosmic ray travels 60 km through the earths...Ch. 27 - At what speed relative to a laboratory does a...Ch. 27 - An astronaut travels to a star system 4.5 ly away...Ch. 27 - Prob. 21PCh. 27 - At what speed as a fraction of c, will a moving...Ch. 27 - Jill claims that her new rocket is 100 m long. As...Ch. 27 - A muon travels 60 km through the atmosphere at a...Ch. 27 - The Stanford Linear Accelerator (SLAC) accelerates...Ch. 27 - Our Milky Way galaxy is 100,000 ly in diameter. A...Ch. 27 - The X-15 rocket-powered plane holds the record for...Ch. 27 - A rocket cruising past earth at 0.800c shoots a...Ch. 27 - A base on Planet X fires a missile toward an...Ch. 27 - A solar flare blowing out from the sun at 0.90c is...Ch. 27 - Prob. 31PCh. 27 - Prob. 32PCh. 27 - Prob. 33PCh. 27 - Prob. 34PCh. 27 - What are the kinetic energy, the rest energy, and...Ch. 27 - A quarter-pound hamburger with all the fixings has...Ch. 27 - How fast much an electron move so that its total...Ch. 27 - At what speed is a particle's kinetic energy twice...Ch. 27 - A firecracker explodes at x = 0 m, t = 0 s. A...Ch. 27 - Youre standing on an asteroid when you see your...Ch. 27 - A subatomic particle moves through the laboratory...Ch. 27 - Prob. 42GPCh. 27 - A very fast-moving train car passes you, moving to...Ch. 27 - Two events in reference frame S occur 10 s apart...Ch. 27 - A spaceship heads directly toward an asteroid at a...Ch. 27 - Hill Two spaceships approach each other at speeds...Ch. 27 - A cube has a density of 2000 kg/m3 while at rest...Ch. 27 - A railroad car that is 20 m long when at rest...Ch. 27 - A spaceship flies past an experimenter who...Ch. 27 - Marissas spaceship approaches Josephs at a speed...Ch. 27 - At a speed of 0.90c, a spaceship travels to a star...Ch. 27 - Prob. 54GPCh. 27 - A rocket traveling at 0.500c sets out for the...Ch. 27 - A distant quasar is found to be moving away from...Ch. 27 - Two rockets approach each other. Each is traveling...Ch. 27 - A railcar has a velocity of 0.5c relative to the...Ch. 27 - James, Daniella, and Tara all possess identical...Ch. 27 - A space beacon on Planet Karma emits a pulse of...Ch. 27 - Two rockets, A and B, approach the earth from...Ch. 27 - What is the speed of an electron after being...Ch. 27 - What is the speed of a proton after being...Ch. 27 - Prob. 66GPCh. 27 - What is the momentum of a particle with speed...Ch. 27 - Prob. 68GPCh. 27 - What is the total energy, in MeV, of a. A proton...Ch. 27 - Prob. 70GPCh. 27 - At what speed is the kinetic energy of a particle...Ch. 27 - Prob. 72GPCh. 27 - The chemical energy of gasoline is 46 MJ/kg. If...Ch. 27 - A standard nuclear power plant generates 3.0 GW of...Ch. 27 - The sun radiates energy at the rate 3.8 1026 W....Ch. 27 - The radioactive element radium (Ra) decays by a...Ch. 27 - Prob. 77GPCh. 27 - MCAT-Style Passage Problems Pion Therapy Subatomic...Ch. 27 - MCAT-Style Passage Problems Pion Therapy Subatomic...Ch. 27 - MCAT-Style Passage Problems Pion Therapy Subatomic...Ch. 27 - MCAT-Style Passage Problems Pion Therapy Subatomic...
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