Physics, 14.07.2019 13:40 royaltyjl11
If an atom has 34 protons and 40 neutrons, what is its atomic number? a. 34 b. 74 c. 40 d. 6
Answers: 2
Physics, 21.06.2019 15:00
The equation that describes a transverse wave on a string is y = (0.0120 m)sin[(927 rad/s)t - (3.00 rad/m)x] where y is the displacement of a string particle and x is the position of the particle on the string. the wave is traveling in the +x direction. what is the speed v of the wave?
Answers: 1
Physics, 22.06.2019 17:40
Which component of the earthโs atmosphere is decreased due to photosynthesis?
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Physics, 22.06.2019 22:30
Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.
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Physics, 23.06.2019 01:30
Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.
Answers: 2
If an atom has 34 protons and 40 neutrons, what is its atomic number? a. 34 b. 74 c. 40 d. 6...
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