### What are reasons for difference in coefficient of friction

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what are reasons for difference in the coefficient of kinetic friction on horizontal surface with a hanging mass at constant velocity compared to object one on incline

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 Explain ammonium sulfate and barium nitrate : Write net ionic equations for the reaction, if any, that occurs when acqueous solutions of the following are mixed: a) ammonium sulfate and barium nitrate Determine the angle theta for equilibrium from two springs : The 10-lb lamp fixture is suspended from two springs, each having an unstretcfhed length of 4 ft and stiffness of k=5lb/ft. Determine the angle theta for equilibrium. Radiation form a craft in space : Radiation form a craft in space. A space satellite in the shape of a sphere is traveling in outer space, where its surface temperature is held to 283.2 K. T he sphere ''sees" only outer space, which can be considered as a black body with a temperatur.. Define basic or neutral in aqueous solution : Is each of the following salts acidic, basic or neutral in aqueous solution. Use appropriate equations to explain why for each please. a) NH4Cl b) NaClO4 c) NaNO2 What are reasons for difference in coefficient of friction : what are reasons for difference in the coefficient of kinetic friction on horizontal surface with a hanging mass at constant velocity compared to object one on incline Determine soil bearing pressure with settlement limitation : The soil below the footings consists of a medium grain sand (SP) and water is located at a depth of 5 feet below the ground surface. The preliminary structural plan calls for a 10 foot wide footing located at a depth of 5 feet which must support a.. Explain how much solid naoh would be needed to change ph : if it takes 1.0 g of solid NaOH to change the pH of the solution containing a strong acid from 1.00 to 2.00, how much solid NaOH would be needed to change the Ph of this solution from 2.00 to 3.00? Assume that there is no change in the volume of t.. What is the minimum possible uncertainty in its momentum : if an electron is confined to a region of size 35.2 nm, what is the minimum possible uncertainty in its momentum Explain decreasing rate of solvolysis in aqueous acetone : Rank the compounds in each of the following groups in order of decreasing rate of solvolysis in aqueous acetone. C6H11BR, C6H11Cl and C7H13Cl (the last is tertiary, the others are secondary).

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