Physics
A railroad car moves under a grain elevator at a constant speed of 3.70 m/s. Grain drops into the car at the rate of 580 kg/min. What is the magnitude of the force needed to keep the car moving at constant speed if friction is negligible? F = Ma -> R * V(rel)
US HISTORR
why did the league of nations not pursue italy? Like after WW2. Did the Italians get angry because of something the league of nation did or didn't do for them ?
US HISTORY
why did the league of nations not pursue italy? Thanx!
US HISTORY
thanx!
US HISTORY
what decided the outcome of the 2000 election??
AP CHEMISTRY
Thanx!!!
AP CHEMISTRY
What does a negative value for a standard potential indicate? PLEASE HELP!!
CHEMISTRY
yeah i get that, and so what would you write acetic acid as, just the same?? And also thanx for explaining above
CHEMISTRY
Write the formulas for the following substances as they would appear in a total ionic equation: a) Aqueous acetic acid b) solid lithium carbonate c) Aqueous ammonia d) Aqueous sodium dihydrogen phosphate I don't know, do we have to write the formula [like ammonia is NH3] O...
CHEMISTRY
Use the solubility rules to predict whether the following substances are soluble or insoluble in water: a) K2CrO4 _______________ b) NiSO4 _______________ c) Cu(OH)2 ______________ d) Pb(C2H3O2)2 __________ e) Ag2CO3 _______________ f) Al2S3 ________________ Please help me wit...
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