Physics, 22.04.2020 19:51 asiamuhammad6
Electrons are ejected from a metallic surface with speeds of up to 4.60x105 m/s when light with a wave length of 625 nm is used. (a) What is the work function of the surface? (b) What is the cutoff frequency for this surface? (
Answers: 1
Physics, 21.06.2019 18:10
Amass has an acceleration of 10- 2t. what is its velocity and displacement if it started at x- 4m and the initial velocity was 8m/s? at what time does it have 0 velocity? graph all graphs.
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Physics, 21.06.2019 21:30
Aparticle with mass 1.81Ă10â3 kg and a charge of 1.22Ă10â8 c has, at a given instant, a velocity vâ =(3.00Ă104m/s)j^. what are the magnitude and direction of the particleâs acceleration produced by a uniform magnetic field bâ =(1.63t)i^+(0.980t)j^?
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Physics, 22.06.2019 06:30
The energy of a photon was found to be 3.38 Ă 10â19 j. planckâs constant is 6.63 Ă 10â34 j ⢠s. which color of light corresponds to this photon?
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Physics, 22.06.2019 17:00
How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters
Answers: 2
Electrons are ejected from a metallic surface with speeds of up to 4.60x105 m/s when light with a wa...
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