Physics, 07.09.2019 03:20 24nelsoaddh
An alpha particle with a kinetic energy of 13.0 mev makes a head-on collision with a gold nucleus at rest. part a: what is the distance of closest approach of the two particles? (assume that the gold nucleus remains stationary and that it may be treated as a point charge. the atomic number of gold is 79, and an alpha particle is a helium nucleus consisting of two protons and two neutrons.)
Answers: 3
Physics, 21.06.2019 14:20
Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?
Answers: 1
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
An alpha particle with a kinetic energy of 13.0 mev makes a head-on collision with a gold nucleus at...
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