rockinrhonda19ovewso
08.10.2019 •
Physics
Part b–short problems11. the electric potential at a certain point is space is 12 v. what is the electric potential energy of a –3.0 c charge placed at that point? a) +4 jb) –4 jc) +36 jd) –36 je) zero μj12. a completely ionized beryllium atom (net charge = +4e) is accelerated through a potential difference of 6.0 v. what is the increase in kinetic energy of the atom? a) zero evb) 0.67 evc) 4.0 evd) 6.0 eve) 24 ev14. a conducting sphere has a net charge of –6.4 × 10–17c. what is the approximate number of excess electrons on the sphere
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Ответ:
A longitudinal wave is a type of mechanical wave, or wave that travels through matter, called the medium. In a longitudinal wave, particles of the medium vibrate in a direction that is parallel to the direction that the wave travels. Places where particles of the medium crowd closer together are called compression's.
Explanation: