1. Se observa que la mayor parte de las galaxias del universo se alejan de nuestro sistema
de referencia. La galaxia del Sombrero está emitiendo luz con una longitud de onda
de 700nm. a) Si la galaxia se aleja con una velocidad de 90000 km/s ¿Cuál es la
frecuencia percibida en la Tierra? b) Si la galaxia se acerca con una velocidad de
90000 ¿Cuál es la frecuencia percibida en la Tierra?
Answers: 1
Physics, 21.06.2019 21:30
Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
Answers: 1
Physics, 22.06.2019 01:10
The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping
Answers: 1
Physics, 22.06.2019 06:30
Which one of the following research methods can show cause and effect
Answers: 1
1. Se observa que la mayor parte de las galaxias del universo se alejan de nuestro sistema
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