Find out the mass of the object
An object is pulled west along a horizontal frictionless surface with a steady horizontal force of 12.0 N. If the object accelerates from rest to a velocity of 4.0m/s while moving 5.0m, what is the mass of the object?
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At the .01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? What is the value of the test statistic for this hypothesis test?Answer
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How much time passes between the first two instants when this particle has a displacement of y = 0.2 m?
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