Physics, 02.03.2021 19:50 parrazm2022
A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains motionless?
A: The sidewalk exerts an unbalanced force on the rock.
B:The only force acting on the rock is directed toward the sidewalk.
C:The forces acting on the rock are all balanced.
D:There are no forces acting on the rock
Answers: 2
Physics, 20.06.2019 18:04
Space vehicles traveling through earth's radiation belts can intercept a significant number of electrons. the resulting charge buildup can damage electronic components and disrupt operations. suppose a spherical metallic satellite 1.3 m in diameter accumulates 3.0 Β΅c of charge in one orbital revolution. (a) find the resulting surface charge density. (b) calculate the magnitude of the electric field just outside the surface of the satellite, due to the surface charge.
Answers: 3
Physics, 22.06.2019 02:40
What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.
Answers: 2
A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains mo...
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