Finding the speed of the block
A 260 g block on a 54cm -long string swings in a circle on a horizontal, frictionless table at 90 rpm. What is the speed of the block? What is the tension in the string?
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Which interest group in the United States is more likely to depend on demonstrations and other nontraditional strategies of influence?
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A 14.045 g aliquot of this solution is then titrated with 0.1043 M HCl. It required 29.18 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
What actions would you recommend to Carlos Fernandez to help Grupo Modelo sustain or improve its competitive position, especially its international operations, and its long-term financial performance?
A chemical reaction takes place in a container of cross-sectional area 50.0 cm2. As a result of the reaction, a piston is pushed out through 15 cm against an external pressure of 121 kPa. Calculate the work done by the system.
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