Physics, 26.09.2019 15:30, coreyscott1281
1. massive amounts of destructive energy are released when a nuclear fission bomb explodes. where does that energy come from?
a. a chain reaction occurs when uranium atoms split, releasing nuclear energy.
b. hydrogen atoms fuse together into helium, releasing nuclear energy.
c. molecules break down, releasing chemical energy.
d. molecules are created, releasing chemical energy.
Answers: 2
Physics, 22.06.2019 00:50, Amandarobersonn
While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.
Answers: 3
Physics, 22.06.2019 11:20, leandrogarin37p2g5ds
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
Answers: 1
1. massive amounts of destructive energy are released when a nuclear fission bomb explodes. where do...
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