Physics, 30.09.2019 22:50 genyjoannerubiera
Aproton and an electron in a hydrogen atom are separated on the average by about 5.3 × 10−11 m. what is the magnitude and direction of the electric field set up by the proton at the position of the electron? the coulomb constant is 8.99 × 109 n · m2 /c 2 . 1. 5.12068 × 1011 n/c away from the proton 2. 8.19309 × 10−8 n/c toward the proton 3. 27.1396 n/c away from the proton 4. 27.1396 n/c toward the proton 5. 5.12068 × 1011 n/c toward the proton 6. 8.19309 × 10−8 n/c away from the proton
Answers: 1
Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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Physics, 22.06.2019 20:00
Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature
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Physics, 23.06.2019 07:00
Roger pushes a box on a 30° incline. if he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box? a. 5.2 × 102 joules b. 6.0 × 102 joules c. -5.2 × 102 joules d. -6.0 × 102 joules
Answers: 3
Aproton and an electron in a hydrogen atom are separated on the average by about 5.3 × 10−11 m. what...
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