Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN: 9781305116399
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 39, Problem 39.8OQ
To determine
The ranking order of the magnitude of the particles momentum from the greatest to the smallest.
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Suppose a photon, proton, and electron all have the same total energy E. Rank the magnitude of their momenta from smallest to greatest. (a) photon, electron, proton (b) proton, photon, electron (c) electron, photon, proton (d) electron, proton, photon (e) proton, electron, photon
An initially stationary rocket explodes in empty space. Out of the debris two pieces are recovered: m1=10kg traveling with speed of 500m/s and a second mass m2=20kg, traveling with speed 1500m/s.
What is the minimum amount of energy released in the explosion?
What is the minimum amount of energy released in the explosion?
Group of answer choices
K≥2.250×107J
K≥3.500×104J
K≥2.375×107J
K≥1.250×106J
An unstable particle at rest spontaneously breaks into two fragments of unequal mass. The mass of the first fragment is m1 = 2.50 x 10-28 kg, and that of the other is m2 = 1.67 x 10-27 kg. If the speed of m1 is equal to 0.893c after the breakup, where c = 3 x 108 m/s. What is the final speed of m2?
Chapter 39 Solutions
Physics for Scientists and Engineers, Technology Update (No access codes included)
Ch. 39 - Which observer in Figure 38.1 sees the balls...Ch. 39 - A baseball pitcher with a 90-mi/h fastball throws...Ch. 39 - Suppose the observer O on the train in Figure 38.6...Ch. 39 - A crew on a spacecraft watches a movie that is two...Ch. 39 - Suppose astronauts are paid according to the...Ch. 39 - You are packing for a trip to another star. During...Ch. 39 - You are observing a spacecraft moving away from...Ch. 39 - You are driving on a freeway at a relativistic...Ch. 39 - The following pairs of energiesparticle 1: E, 2E;...Ch. 39 - (i) Does the speed of an electron have an upper...
Ch. 39 - A spacecraft zooms past the Earth with a constant...Ch. 39 - As a car heads down a highway traveling at a speed...Ch. 39 - A spacecraft built in the shape of a sphere moves...Ch. 39 - An astronaut is traveling in a spacecraft in outer...Ch. 39 - You measure the volume of a cube at rest to be V0....Ch. 39 - Two identical clocks are set side by side and...Ch. 39 - Prob. 39.8OQCh. 39 - Which of the following statements are fundamental...Ch. 39 - A distant astronomical object (a quasar) is moving...Ch. 39 - In several cases, a nearby star has been found to...Ch. 39 - Prob. 39.2CQCh. 39 - A train is approaching yon at very high speed as...Ch. 39 - List three ways our day-to-day lives would change...Ch. 39 - Prob. 39.5CQCh. 39 - Prob. 39.6CQCh. 39 - Prob. 39.7CQCh. 39 - Prob. 39.8CQCh. 39 - Give a physical argument that shows it is...Ch. 39 - Prob. 39.10CQCh. 39 - Prob. 39.11CQCh. 39 - (i) An object is plated at a position p f from a...Ch. 39 - With regard to reference frames, how does general...Ch. 39 - Two identical clocks are in the same house, one...Ch. 39 - The truck in Figure P39.1 is moving at a speed of...Ch. 39 - In a laboratory frame of reference, an observer...Ch. 39 - The speed of the Earth in its orbit is 29.8 km/s....Ch. 39 - Prob. 39.4PCh. 39 - Prob. 39.5PCh. 39 - A meterstick moving at 0.900c relative to the...Ch. 39 - Prob. 39.7PCh. 39 - A muon formed high in the Earths atmosphere is...Ch. 39 - How fast must a meterstick be moving if its length...Ch. 39 - An astronaut is traveling in a space vehicle...Ch. 39 - A physicist drives through a stop light. When he...Ch. 39 - A fellow astronaut passes by you in a spacecraft...Ch. 39 - A deep-space vehicle moves away from the Earth...Ch. 39 - For what value of does = 1.010 0? Observe that...Ch. 39 - A supertrain with a proper length of 100 m travels...Ch. 39 - The average lifetime of a pi meson in its own...Ch. 39 - An astronomer on the Earth observes a meteoroid in...Ch. 39 - A cube of steel has a volume of 1.00 cm3 and mass...Ch. 39 - A spacecraft with a proper length of 300 m passes...Ch. 39 - A spacecraft with a proper length of Lp passes by...Ch. 39 - A light source recedes from an observer with a...Ch. 39 - Review. In 1963, astronaut Gordon Cooper orbited...Ch. 39 - Police radar detects the speed of a car (Fig....Ch. 39 - The identical twins Speedo and Goslo join a...Ch. 39 - An atomic clock moves at 1 000 km/h for 1.00 h as...Ch. 39 - Prob. 39.26PCh. 39 - A red light flashes at position xR = 3.00 m and...Ch. 39 - Shannon observes two light pulses to be emitted...Ch. 39 - A moving rod is observed to have a length of =...Ch. 39 - A rod moving with a speed v along the horizontal...Ch. 39 - Keilah, in reference frame S, measures two events...Ch. 39 - Figure P38.21 shows a jet of material (at the...Ch. 39 - An enemy spacecraft moves away from the Earth at a...Ch. 39 - A spacecraft is launched from the surface of the...Ch. 39 - Prob. 39.35PCh. 39 - Calculate the momentum of an electron moving with...Ch. 39 - Prob. 39.37PCh. 39 - Prob. 39.38PCh. 39 - Prob. 39.39PCh. 39 - Prob. 39.40PCh. 39 - Prob. 39.41PCh. 39 - Prob. 39.42PCh. 39 - An unstable particle at rest spontaneously breaks...Ch. 39 - Prob. 39.44PCh. 39 - Prob. 39.45PCh. 39 - Protons in an accelerator at the Fermi National...Ch. 39 - A proton moves at 0.950c. Calculate its (a) rest...Ch. 39 - (a) Find the kinetic energy of a 78.0-kg...Ch. 39 - A proton in a high-energy accelerator moves with a...Ch. 39 - Prob. 39.50PCh. 39 - The total energy of a proton is twice its rest...Ch. 39 - Prob. 39.52PCh. 39 - When 1.00 g of hydrogen combines with 8.00 g of...Ch. 39 - In a nuclear power plain, the fuel rods last 3 yr...Ch. 39 - The power output of the Sun is 3.85 1026 W. By...Ch. 39 - Prob. 39.56PCh. 39 - Prob. 39.57PCh. 39 - Prob. 39.58PCh. 39 - The rest energy of an electron is 0.511 MeV. The...Ch. 39 - Prob. 39.60PCh. 39 - A pion at rest (m = 273me) decays to a muon (m =...Ch. 39 - An unstable particle with mass m = 3.34 1027 kg...Ch. 39 - Prob. 39.63PCh. 39 - Prob. 39.64PCh. 39 - Review. A global positioning system (GPS)...Ch. 39 - Prob. 39.66APCh. 39 - The net nuclear fusion reaction inside the Sun can...Ch. 39 - Prob. 39.68APCh. 39 - A Doppler weather radar station broadcasts a pulse...Ch. 39 - An object having mass 900 kg and traveling at...Ch. 39 - An astronaut wishes to visit the Andromeda galaxy,...Ch. 39 - A physics professor on the Earth gives an exam to...Ch. 39 - An interstellar space probe is launched from...Ch. 39 - Prob. 39.74APCh. 39 - Prob. 39.75APCh. 39 - An object disintegrates into two fragments. One...Ch. 39 - The cosmic rays of highest energy are protons that...Ch. 39 - Spacecraft I. containing students taking a physics...Ch. 39 - Review. Around the core of a nuclear reactor...Ch. 39 - The motion of a transparent medium influences the...Ch. 39 - Prob. 39.81APCh. 39 - Prob. 39.82APCh. 39 - An alien spaceship traveling at 0.600c toward the...Ch. 39 - Prob. 39.84APCh. 39 - Prob. 39.85APCh. 39 - An observer in a coasting spacecraft moves toward...Ch. 39 - Prob. 39.87APCh. 39 - A particle with electric charge q moves along a...Ch. 39 - Prob. 39.89CPCh. 39 - Suppose our Sun is about to explode. In an effort...Ch. 39 - Owen and Dina are at rest in frame S. which is...
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- (i) Does the speed of an electron have an upper limit? (a) yes, the speed of light c (b) yes, with another value (c) no (ii) Does the magnitude of an electrons momentum have an upper limit? (a) yes, mec (b) yes, with another value (c) no (iii) Does the electrons kinetic energy have an upper limit? (a) yes, mec2 (b) yes, 12mec2 (c) yes, with another value (d) noarrow_forward(a) Find the momentum of a 1.00109 kg asteroid heading towards the Earth at 30.0 km/s. (b) Find the ratio of this momentum to the classical momentum. (Hint: Use the approximation that =1+(1/2)v2/c2 at low velocities.)arrow_forwardA subatomic particle A decays into two identical particles B, A=B + B particles. The two B are observed to have exactly equal and opposite momenta of magnitude P.i) What can be deduced about the velocity of A just before the decay? ii) Derive an expression for the mass mOA, of A in terms of mOB and PB.arrow_forward
- When a uranium nucleus at rest breaks apart in the process known as fission in a nuclear reactor, the resulting fragments have a total kinetic energy of about 200 MeV. How much mass was lost in the process?arrow_forwardAn electron has a momentum with magnitude four times the magnitude of its classical momentum. (a) Find the speed of the electron. ?c(b) How would your result change if the particle were a proton? The result would be larger.The result would be smaller. The result would remain the same.arrow_forwardAn unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.90 ✕ 10−28 kg and that of the heavier fragment is 1.70 ✕ 10−27 kg. If the lighter fragment has a speed of 0.893c after the breakup, what is the speed of the heavier fragment?arrow_forward
- Show that the kinetic energy of a particle of mass m is related to the momentum p of that particleby, E =p^2/2m. (Hint: plug mv in for p and simplify!)arrow_forward(a) Find the momentum of a 1.00×109 kg asteroid heading towards the Earth at 30.0 km/s . (b) Find the ratio of this momentum to the classical momentum. (Hint: Use the approximation that γ = 1 + (1 / 2)v2 / c2 at low velocities.)arrow_forwardScientists working with a particle accelerator determine that an unknown particle has a speed of 1.35 ×108 m/s and a momentum of 2.52 × 10−19 kg m/s. From the curvature of the particle’s path in a magnetic field, they also deduce that it has a positive charge. Using this information, identify the particle.arrow_forward
- An important fusion reaction in both hydrogen bombs and controlled-fusion reactors is the “DT reaction,” in which a deuteron and a triton (nuclei of heavy hydrogen isotopes) combine to form an alpha particle and a neutron with the release of much energy. Use momentum conservation to explain why the neutron resulting from this reaction receives about 80% of the energy, while the alpha particle gets only about 20%.arrow_forwardAn unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 3.20 ✕ 10−28 kg and that of the heavier fragment is 1.71 ✕ 10−27 kg. If the lighter fragment has a speed of 0.893c after the breakup, what is the speed of the heavier fragment? ?carrow_forwardAn electron has a momentum with magnitude four times the magnitude of its classical momentum. (a) Find the speed of the electron. Answer in c (b) How would your result change if the particle were a proton? - Multiple Choice The result would be larger. The result would be smaller. The result would remain the same.arrow_forward
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