Variance of the kinetic energy
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An aluminum can is cut into small pieces. A .74 gram sample of the aluminum "chips" is used to prepare potassium alum according to the procedure described in this experiment.
A 1200-kg car accelerates from rest to 20m/s in 7.8 s, moving in a straight line with constant acceleration. (a) What is the net force acting on the car? (b) If the car then rounds a bend 85 m in radius at a steady 20m/s, what net force acts on
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An electron emitter produces electron beams with changing kinetic energy that is uniformly distributed between three and seven joules. Suppose that it is possible to adjust the upper limit of the kinetic energy (currently set to seven joules). Wha
The beam is bolted to a bridge truss using a hole drilled through the center. What is the maximum allowable hole diameter. Assume Y = 1.4.
The solubility of nitrogen gas at 25 degrees and a nitrogenpressure of 522 mmHg is 4.7 x 10-4 mol/L. What is the value of the Henry's Law constant in mol/L(atm)?
Positive charge is distributed uniformly throughout a large insulating cylinder of radius R = 0.500 m. The charge per unit length in the cylindrical volume is lambda = 9.00×10-9 C/m. Calculate the magnitude of the electric field at a distance
What is the coefficient of static friction between the book and the tabletop? What is the coefficient of kinetic friction between the book and the tabletop?
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