Physics, 21.01.2021 22:10 hannahpelkey
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 300 N/C. At a distance r2 from the charge, the field has a magnitude of 160 N/C. Find the ratio r2/r1.
Answers: 1
Physics, 22.06.2019 14:30
Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current
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Physics, 22.06.2019 16:40
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
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Physics, 22.06.2019 16:40
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
Answers: 3
Physics, 22.06.2019 18:30
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
Answers: 1
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 3...
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