Estimating the tension in the cord
In the figure below (part a), two blocks are connected by a lightweight, flexible cord which passes over a frictionless pulley. (a) If m1 = 2.8 kg and m2 = 5.2 kg, what is the acceleration of the two blocks? (b) What is the tension in the cord?
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The pressure exerted by a gas is 2.0 atm while it has a volume of 350 cm3. What would be the volume of this sample of gas at standard atmospheric pressure?
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If a third charge, of 5.00 , is now placed at the point = 3.00 , = 4.00 find the and components of the total force exerted on this charge by the other two charges.
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The excess acid then requires 30.10 mL of 0.1220 M NaOH for complete neutralization. Calculate the % Na2CO3 (MM = 105.99 g/mol) in the sample.
75.0 mL of a 1.40 M solution is diluted to a total volume of 278 mL. A 139-mL portion of that solution is diluted by adding 117 mL of water. What is the final concentration? Assume the volumes are additive.
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