Physics, 07.04.2021 18:00 zitterkoph
Josh stored an electric potential energy of 2.5J in a vacuum of 1.00m³ by a
field E. if the field is reduced to 1/4 of its initial value, how much energy is
stored per cubic meter.
Ans is 0.2J/m³
A professor accelerated an electron of mass 9.1 x 10^15N/C between two
parallel charged plates of separation 1.7cm. Calculate the velocity with
which the electron leaves a hole in the positive plate if it is accelerated near
the negative plate.
Ans is 4.2 x 10^12m/s
Answers: 3
Physics, 22.06.2019 04:00
Acompound machine is also called a machine. a. force b. simple c. complex d. directional
Answers: 1
Physics, 22.06.2019 07:00
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
Answers: 1
Physics, 22.06.2019 09:10
The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island
Answers: 2
Physics, 22.06.2019 12:30
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
Answers: 1
Josh stored an electric potential energy of 2.5J in a vacuum of 1.00m³ by a
field E. if the field i...
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