Physics, 03.07.2019 23:20 Chuchee4604
An object of weight 8n is moving along a horizontal plane. if the coefficient of kinetic friction is 0.25 find the friction force acting on the object.
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True or false: the revolution of the earth creates day and night as it rotates around the sun
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Physics, 22.06.2019 04:00
Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
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Physics, 22.06.2019 18:30
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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Physics, 22.06.2019 19:00
Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m
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An object of weight 8n is moving along a horizontal plane. if the coefficient of kinetic friction is...
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