Physics, 22.10.2019 19:00 kenziepickup
(a) a physicist performing a sensitive measurement wants to limit the magnetic force on a moving charge in her equipment to less than 1.00 10 n 12 . what is the greatest the charge can be if it moves at a maximum speed of 30.0 m/s in the earth’s field? (b) discuss whether it would be difficult to limit the charge to less than the value found in (a) by comparing it with typical static electricity and noting that static is often absent
Answers: 1
Physics, 22.06.2019 05:00
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
Answers: 3
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
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Physics, 22.06.2019 10:00
Which atomic model was proposed as a result of j. j. thomson’s work?
Answers: 1
(a) a physicist performing a sensitive measurement wants to limit the magnetic force on a moving cha...
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