Physics, 23.08.2021 17:20 bajus4121

An electron and a positron are moving toward each other and each has speed 0.460 c in the lab frame. A. What is the kinetic energy of each particle? Ke-: J, Ke+ J
B. The e+ and e- meet head-on and annihilate. What is the energy of each photon that is produced? Eph: J
C. What is the wavelength of each photon? m

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 16:30, minnie7760

Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )

Answers: 1

continue

Physics, 22.06.2019 00:30, katiebug197

Orange juice has a lower or higher viscosity than chocolate syrup

Answers: 2

continue

Physics, 22.06.2019 11:50, kaylallangari2145

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?

Answers: 2

continue

Physics, 22.06.2019 12:30, mikurrjurdan

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

Answers: 1

continue

You know the right answer?

An electron and a positron are moving toward each other and each has speed 0.460 c in the lab frame....