Physics, 20.01.2021 03:50 RickyGotFanz4867
Two students are sitting at their desk about to begin reading. Student 1 applies a force of 10N to a book in order to slide it across to student 2. If the force of friction resisting the push is 4N, what is the net force acting on the book
Answers: 3
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Which one of the following research methods can show cause and effect
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If a simple machine reduces the strength of a force, what must be increased?
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Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
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Ablock of mass m slides on a horizontal frictionless table with an initial speed v0 . it then compresses a spring of force constant k and is brought to rest. the acceleration of gravity is 9.8 m/s2. how much is the spring compressed x from its natural length? 1) x = v0*sqrt(k/(mg)) 2) x=v0*sqrt(m/k) 3) x=v0*((mk)/g) 4) x=v0*sqrt(k/m) 5) x=v0*(m/kg) 6) x=v0*sqrt((mg)/k) 7) x=(v0)^2/(2g) 8) x=v0*(k/(mg)) 9) x=(v0)^2/(2m) 10) x=v0*((mg)/k)
Answers: 3
Two students are sitting at their desk about to begin reading. Student 1 applies a force of 10N to a...
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