What is the magnitude of the force pulling on first block
A 1.4 wood block is pulled along a wood floor at a steady speed. A second wood block, with mass 2.9 , is attached to the first by a horizontal string.
What is the magnitude of the force pulling on the first block?
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A spherical balloon has a diameter of 50.0 cm, absolute pressure inside is 1.25atm and the temperature is 22 degree Celsius. Assume that all the gas in N2 is of molar mass 28.0 g/mol. (a) find the mass of a single N2 molecule. (b) How much transla
Scores on IQ tests have a symmetric distribution that is roughly bell-shaped. Reported IQs are scaled so that the distribution has a mean of 100 and a standard deviation of 15. Suppose that a standard IQ test is given to 2000 students. Use the 68-
A solution containing Pt4+ is electrolyzed with acurrent of 3.60 A. How many minutes will it take to plate out 89.0 percent of the platinum in 0.550 L of a 0.0150 M solution of Pt4+?
A large statistics class took an exam. The scores followed a normal curve with mean 78 and standard deviation 10. Students who scored 90 or above got an A on the exam. Those who scored between 80 and 90 got a B, between 70 and 80 a C, between 60 a
A 1.4 wood block is pulled along a wood floor at a steady speed. A second wood block, with mass 2.9 , is attached to the first by a horizontal string. What is the magnitude of the force pulling on the first block?
If two events are mutually exclusive, then the union of those two events is the sum of the individual probabilities of these two events.
The average number of gallons of lemonade consumed by the football team during a game is 20, with a standard deviation of 3 gallons. Assume the variable is normally distributed. Find the probability of using
A saturated solution of potassium chlorate is dissolved in 100 gof water. If the saturated solution is cooled from90°C to 60°C, how many grams of precipitate will be formed?explain.
The coffee/soup machine at the local bus station is supposed to fill cups with 6 ounces of soup. Ten cups of soup are brought with results of a mean of 5.93 ounces and a standard deviation of 0.13 ounces. How large a sample of soups would we need
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