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Physics, 22.06.2019 07:00
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
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Physics, 22.06.2019 13:30
Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.
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Three resistance 4,4 and 6 ohms are joined in the series.the total resistance will be
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Physics, 23.06.2019 08:30
Hi , i am new here can anyone me out with this question why is space black after having so many shining objects like sun , moon , stars
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HELP At a school dance on Mars, aliens Jack and Jill are at the opposite sides of the gym which is 5...
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