Find the magnitude and of the net electrical force
The angle between 2 electrons is 65 degrees. If two electrons are each (2.10×10^-10) m from a proton, find the magnitude and of the net electrical force they will exert on the proton.
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Calculate the actual number of respondents in 2010 that fall in each response category. State hypotheses for the following research question: have beliefs on the origin of human life changed since 2001
A frictionless track with a loop of radius 25 cm sits on a table 0.8 meters above the ground. If a 0.3 kg object just makes the loop, how high above the table did the object start and how far from the table does it land.
A 10.0 g piece of metal at 100 C is transferred to a calorimetercontaining 50.0 mL of water initially at 23.0 C. Calculate the specific heat capacity of the metal if the heat capacity of the calorimeter, Ccal is 25 J/K. The final temperature,Tfina
A Statistics professor has observed that for several years, about 13% of the students who initially enroll in his introductory Statistics course withdraw before the end of the semester.
Find the probability that a randomly selected college student will take between 2.0 and 4.5 minutes to find a parking spot in the library?
An "ice calorimeter" can be used to determine the specific heat ofa metal. A piece of hot metal is dropped into a weighed quantity ofice. The quantity of heat transferred from the metal to the ice canbe determined from the amount of ice melted.
A random sample of size n is to be drawn from a population with mean = 700 and standard deviation = 300. What size sample would be necessary in order to ensure a standard error of 10?
Jupiter has about 300 times the mass of Earth and about ten times Earth radius. Estimate the size of g on the surface of Jupiter.
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Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
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