Two small objects each with a net charge of +Q exert a force of magnitude F on each other. We replace one of the objects with another whose net charge is + 4Q. We move the +Q and +4Q charges to be 3 times as far apart as they were. What is the magnitude of the force on the +4Q charge ?
A. F
B. 4F
C. 4F/3
D. 4F/9
E. F/3
Answers: 2
Physics, 21.06.2019 18:40
The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80
Answers: 1
Physics, 22.06.2019 03:00
Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
Answers: 2
Physics, 22.06.2019 04:20
Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?
Answers: 2
Two small objects each with a net charge of +Q exert a force of magnitude F on each other. We replac...
Mathematics, 12.05.2021 02:00
Mathematics, 12.05.2021 02:00
Mathematics, 12.05.2021 02:00
History, 12.05.2021 02:00
Geography, 12.05.2021 02:00
History, 12.05.2021 02:10
English, 12.05.2021 02:10
Mathematics, 12.05.2021 02:10
Mathematics, 12.05.2021 02:10