Physics, 28.07.2019 22:50 cedricevans41p4j3kx
In the famous gold foil experiment, radioactive particles were fired at a very thin sheet of gold foil. most of the particles passed straight through the gold foil. only about 1 in every 8000 particles were deflected. the gold foil experiment showed the researchers that the atom is made mostly of a. protons. b. neutrons. c. electrons. d. empty space.
Answers: 1
Physics, 22.06.2019 05:00
Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio
Answers: 1
Physics, 22.06.2019 10:30
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
Physics, 22.06.2019 20:30
Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving
Answers: 2
In the famous gold foil experiment, radioactive particles were fired at a very thin sheet of gold fo...
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