Physics, 23.11.2019 17:31 alwaysneedhelp8420
Friction always acts in a direction to the direction of motion.
a. equal
c. perpendicular
b. opposite
Answers: 3
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What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.
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Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
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Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext
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Friction always acts in a direction to the direction of motion.
a. equal
c. perpendicul...
a. equal
c. perpendicul...
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Mathematics, 12.12.2019 07:31