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Physics, 21.06.2019 17:00
The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass
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Physics, 21.06.2019 20:50
What is the type of the reaction below? bacl2 + h2so4 â 2 hci + baso4 double replacement synthesis single replacement decomposition
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1. a net force of 100 newtonâs is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
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Physics, 22.06.2019 12:10
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
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Apulley is used to lift a heavy mass from the floor to a platform. the ima of the system is 5 and th...
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