Physics, 19.07.2019 00:00, roseemariehunter12
How did j. j. thomson’s discovery affect the model of the atom? a. it proposed that the positive charge was concentrated in the nucleus. b. it proposed that electrons orbit the nucleus like the planets in the solar system. c. it proposed the idea that electrons were mobile in the atom. d. it proposed that atoms are mostly composed of empty space.
Answers: 1
Physics, 22.06.2019 16:30, lunarwoo
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Physics, 22.06.2019 19:30, ayoismeisjjjjuan
Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
Answers: 1
Physics, 23.06.2019 02:00, nicole5918
Ice at 0.0∘c has a density of 917 kg/m3. a 3.00 cm3 ice cube is gently released inside a small container filled with oil and is observed to be neutrally buoyant. what is the density of the oil?
Answers: 2
How did j. j. thomson’s discovery affect the model of the atom? a. it proposed that the positive ch...
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