Physics, 16.12.2020 01:00 fermaluis8015
Mrs. Clause wants to make a toy elf that can jump over a 1.5 m high wall. Beginning with the Law of
Conservation of Energy, show her the work for each step to solve for the initial velocity that the toy elf needs to
have as it jumps off of the ground. Ignore the effects of air resistance. Show your equation, work and final
answer with units.
Answers: 1
Physics, 22.06.2019 04:30
The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:
Answers: 1
Physics, 22.06.2019 17:40
Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.
Answers: 2
Physics, 22.06.2019 19:30
The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?
Answers: 1
Physics, 22.06.2019 22:30
Compare the patterns of the two waves shown in the image. which statement is true about these waves?
Answers: 1
Mrs. Clause wants to make a toy elf that can jump over a 1.5 m high wall. Beginning with the Law of...
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