Problem 1CQ Problem 2CQ: Frame S moves relative to frame S as shown in FigureQ27.2 Figure Q27.2 a. A ball is at rest in frame... Problem 3CQ: a. Two balls move as shown in Figure Q27.3. What are the speed and direction of each ball in a... Problem 4CQ: A lighthouse beacon alerts ships to the danger of a rocky coastline. a. According to the lighthouse... Problem 5CQ: As a racket passes the earth at 0.75c, it fires a laser perpendicular to its direction of travel as... Problem 7CQ: At the instant that a clock standing next to you reads t = 1.0 s, you look at a second clock, 300 m... Problem 8CQ Problem 9CQ: Firecrackers 1 and 2 are 600 m apart. You are standing exactly halfway between them. Your lab... Problem 10CQ: Your clocks and calendars are synchronized with the clocks and calendars in a star system exactly 10... Problem 11CQ: Two trees are 600 m apart. You are standing exactly halfway between them and your lab partner is at... Problem 12CQ Problem 13CQ: In Figure Q27.12, clocks C1 and C2, in frame S are synchronized Clock C moves at speed v relative to... Problem 14CQ Problem 15CQ Problem 16CQ Problem 17CQ Problem 18CQ: The rocket speeds shown in Figure Q27.18 are relative to the earth. Is the speed of A relative to B... Problem 19CQ: Can a particle of mass m have total energy less than mc2? Explain. Problem 20CQ: In your chemistry classes, you have probably learned that, in a chemical reaction, the mass of the... Problem 21MCQ: Lee and Leigh are twins. At their first birthday party, Lee is placed on a spaceship that travels... Problem 22MCQ: A space cowboy wants to eject from his spacecraft 100,000 km after passing a space buoy, as seen by... Problem 23MCQ Problem 24MCQ Problem 25MCQ: A particle moving at speed 0.40c has momentum p0. The speed of the particle is increased to 0.80c.... Problem 26MCQ: A particle moving at speed 0.40c has kinetic energy K0. The speed of the particle is increased to... Problem 1P: A sprinter crosses the finish line of a race. The roar of the crowd in front approaches her at a... Problem 2P: A baseball pitcher can throw a ball with a speed of 40 m/s. He is in the back of a pickup truck that... Problem 3P: A boy on a skateboard coasts along at 5 m/s. He has a ball that he can throw at a speed of 10 m/s.... Problem 4P: A boat takes 3.0 hours to travel 30 km down a river, then 5.0 hours to return. How fast is the river... Problem 5P: When the moving sidewalk at the airport is broken, as it often seems to be, it takes you 50 s to... Problem 6P Problem 7P: An out-of-control alien spacecraft is diving into a star at a speed of 1.0 108 m/s. At what speed,... Problem 8P Problem 9P: A starship blasts past the earth at 2.0 103 m/s. Just after passing the earth, the starship fires a... Problem 10P: You are flying at 0.99c with respect to Kara. At the exact instant you pass Kara, she fires a very... Problem 11P Problem 12P: Bianca is standing at x = 600 m. Firecracker 1, at the origin, and firecracker 2, at x = 900 m,... Problem 13P: You are standing at x = 9.0 km Lightning bolt 1 strikes at x = 0 km and lightning bolt 2 strikes at... Problem 14P: A light flashes at position x = 0 m. One microsecond later, a light flashes at position x = 1000 m.... Problem 15P: Jose is baking to the east. Lightning bolt 1 strikes a tree 300 m from him. Lightning bolt 2 strikes... Problem 16P: Your 1000-m-long starship has warning lights at each end that, to you, flash simultaneously every... Problem 17P: There is a lightbulb exactly halfway between the front and rear of a long hallway in your spaceship.... Problem 18P Problem 19P: A cosmic ray travels 60 km through the earths atmosphere in 400 s, as measured by experimenters on... Problem 20P Problem 21P: At what speed relative to a laboratory does a clock tick at half the rate of an identical clock at... Problem 22P Problem 23P Problem 24P: An astronaut travels to a star system 4.5 ly away at a speed of 0.90c. Assume that the time needed... Problem 25P: A subatomic particle moves through the laboratory at 0.90c. Laboratory experimenters measure its... Problem 26P: At what speed as a fraction of c, will a moving rod have a length 60% that of an identical rod at... Problem 27P: Jill claims that her new rocket is 100 m long. As she flies past your house, you measure the... Problem 28P Problem 29P: A muon travels 60 km through the atmosphere at a speed of 0.9997c. According to the muon, how thick... Problem 30P Problem 31P: The Stanford Linear Accelerator (SLAC) accelerates electrons to v = 0.99999997c in a 3.2-km-long... Problem 32P: Our Milky Way galaxy is 100,000 ly in diameter. A spaceship crossing the galaxy measures the... Problem 33P: The X-15 rocket-powered plane holds the record for the fastest speed ever attained by a manned... Problem 34P: Youre standing on an asteroid when you see your best friend rocketing by in her new spaceship. As... Problem 35P: A rocket cruising past earth at 0.800c shoots a bullet out the back door, opposite the rockets... Problem 36P Problem 37P: A base on Planet X fires a missile toward an oncoming space fighter. The missiles speed according to... Problem 38P Problem 39P Problem 40P Problem 41P Problem 42P Problem 43P: What are the kinetic energy, the rest energy, and the total energy of a 1.0 g particle with a speed... Problem 44P Problem 45P: A quarter-pound hamburger with all the fixings has a mass of 200 g. The food energy of the hamburger... Problem 46P Problem 47P: How fast much an electron move so that its total energy is 10% more than its rest mass energy? Problem 48P Problem 49P: At what speed is a particle's kinetic energy twice its rest energy? Problem 50P Problem 51P Problem 52P Problem 53P: The chemical energy of gasoline is 46 MJ/kg. If gasolines mass could be completely converted into... Problem 54P: A standard nuclear power plant generates 3.0 GW of thermal power from the fission of 235U.... Problem 55GP: A firecracker explodes at x = 0 m, t = 0 s. A second explodes at .x = 300 m, t = 2.0 s. What is the... Problem 56GP Problem 57GP Problem 58GP: A very fast-moving train car passes you, moving to the right at 0.50c. You measure its length to be... Problem 59GP: A spaceship heads directly toward an asteroid at a relative speed of 0.75c. When it is 3.0 108 m... Problem 60GP Problem 61GP Problem 62GP Problem 63GP: A spaceship flies past an experimenter who measures its length to be one-half the length he had... Problem 64GP: Marissas spaceship approaches Josephs at a speed of 0.99c. As Marissa passes Joseph, they... Problem 65GP: At a speed of 0.90c, a spaceship travels to a star that is 9.0 ly distant. a. According to a... Problem 66GP Problem 67GP: A rocket traveling at 0.500c sets out for the nearest star, Alpha Centauri, which is 4.25 ly away... Problem 68GP: A distant quasar is found to be moving away from the earth at 0.80c. A galaxy closer to the earth... Problem 69GP: A space beacon on Planet Karma emits a pulse of light every second. Spaceman Trevor flies directly... Problem 70GP: Two rockets, A and B, approach the earth from opposite directions at speed 0.800c. The length of... Problem 71GP Problem 72GP: What is the speed of an electron after being accelerated from rest through a 20 106 V potential... Problem 73GP: What is the speed of a proton after being accelerated from rest through a 50 106 V potential... Problem 74GP Problem 75GP: What is the total energy, in MeV, of a. A proton traveling at 99.0% of the speed of light? b. An... Problem 76GP Problem 77GP: The sun radiates energy at the rate 3.8 1026 W. The source of this energy is fusion, a nuclear... Problem 78GP: The radioactive element radium (Ra) decays by a process known as alpha decay, in which the nucleus... Problem 79GP Problem 80GP Problem 81MSPP: MCAT-Style Passage Problems Pion Therapy Subatomic particles called pions are created when protons,... Problem 82MSPP: MCAT-Style Passage Problems Pion Therapy Subatomic particles called pions are created when protons,... Problem 83MSPP: MCAT-Style Passage Problems Pion Therapy Subatomic particles called pions are created when protons,... Problem 84MSPP: MCAT-Style Passage Problems Pion Therapy Subatomic particles called pions are created when protons,... format_list_bulleted