Physics, 25.12.2019 16:31 imamnaab46
What parts of an atom can change during a nuclear reaction that cannot change during a chemical reaction?
a. number of protons and electrons
b. the number of protons and neutrons
c. the number of electrons only
d. the number of neutrons and electrons
Answers: 2
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Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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Physics, 22.06.2019 19:30
Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?
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Physics, 23.06.2019 00:30
Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?
Answers: 1
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