1. In inertial reference frame A, the energy and the momentum of a particle are measured to be 41 MeV and 40 MeV, respectively. In an inertial reference frame B, the energy of the same particle is measured to be 20 MeV while the momentum is unspecified. What is the mass of the particle in inertial reference frame B? А. 1 MeV В. З МeV С. 6 МeV D. 9 MeV

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1. In inertial reference frame A, the energy and the momentum of a particle
are measured to be 41 MeV and 40 MeV, respectively. In an inertial reference frame B, the
energy of the same particle is measured to be 20 MeV while the momentum is unspecified.
What is the mass of the particle in inertial reference frame B?
А. 1 MeV
В. З МeV
С. 6 MeV
D. 9 MeV
2. A photon is scattered by an unknown particle of mass 3.0 x 10-43 [kg). A sensor
detects the final energy of this photon to be 5.0 x 10-43 [kg]. What is the final momentum
of the photon?
A. 1.0 x 10-43 (kg]
B. 3.0 x 10-43 (kg]
C. 5.0 x 10-43
D. 6.4 x 10-43 (kg]
[kg]
3. What is the mass of the system of pho-
tons shown in figure?
A. 0
E = 2m
0 = 30°
B. V6m
90°
С. 5m
D. 3/2m
E = 3m
Transcribed Image Text:1. In inertial reference frame A, the energy and the momentum of a particle are measured to be 41 MeV and 40 MeV, respectively. In an inertial reference frame B, the energy of the same particle is measured to be 20 MeV while the momentum is unspecified. What is the mass of the particle in inertial reference frame B? А. 1 MeV В. З МeV С. 6 MeV D. 9 MeV 2. A photon is scattered by an unknown particle of mass 3.0 x 10-43 [kg). A sensor detects the final energy of this photon to be 5.0 x 10-43 [kg]. What is the final momentum of the photon? A. 1.0 x 10-43 (kg] B. 3.0 x 10-43 (kg] C. 5.0 x 10-43 D. 6.4 x 10-43 (kg] [kg] 3. What is the mass of the system of pho- tons shown in figure? A. 0 E = 2m 0 = 30° B. V6m 90° С. 5m D. 3/2m E = 3m
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