Chapter 36: Q. 33 (page 1060)
A particle has momentum . What is the particle’s speed in m/s?
Chapter 36: Q. 33 (page 1060)
A particle has momentum . What is the particle’s speed in m/s?
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Get started for freeFirecracker A is from you. Firecracker B is from you in the same direction. You see both explode at the same time. Define event 1 to be “firecracker A explodes” and event 2 to be “firecracker B explodes.” Does event 1 occur before, after, or at the same time as event 2? Explain.
At what speed, as a fraction of , is a particle’s kinetic energy twice its rest energy?
Some particle accelerators allow protonsand antiprotonsto circulate at equal speeds in opposite directions in a device called a storage ring. The particle beams cross each other at various points to causecollisions. In one collision, the outcome is, where g represents a high-energy gamma-ray photon. The electron and positron are ejected from the collision atand the gamma-ray photon wavelengths are found to be. What were the proton and antiproton speeds, as a fraction of , prior to the collision?
Firecrackers A and B are apart. You are standing exactly halfway between them. Your lab partner is on the other side of firecracker A. You see two flashes of light, from the two explosions, at exactly the same instant of time. Define event 1 to be “firecracker A explodes” and event 2 to be “firecracker B explodes.” According to your lab partner, based on measurements he or she makes, does event 1 occur before, after, or at the same time as event 2? Explain
A cosmic ray travels through the earth’s atmosphere in as measured by experimenters on the ground. How long does the journey take according to the cosmic ray?
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