Physics, 25.01.2021 04:40 johnmtraegeror8m06
While decorating, Becca pushes her 95kg cabinet across the floor at a constant speed. The coefficient of friction between wood on wood is 0.75. What force must she exert to overcome friction
Answers: 1
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Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's
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Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
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Physics, 22.06.2019 18:30
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
While decorating, Becca pushes her 95kg cabinet across the floor at a constant speed. The coefficien...
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