Physics, 06.10.2019 01:00, fdougie111
Abaseball (radius = .0366 in, mass = .145 kg) is dropped from rest at the top of the empire state building (height = 1250
ft). calculate (a) the initial potential energy of the baseball, (b) its nal kinetic energy, and (c) the total energy dissipated by
the falling baseball by computing the hue integral of the force of air resistance along the baseball’s total distance of fall.
compare this last result to the difference between the baseballs initial potential energy and its nal kinetic energy. (hint: in
part (c) make approximations when evaluating the hyperbolic functions obtained in carrying out the line integral.)
Answers: 3
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7. see worksheet 1 for values of variables x1, x2 and x3 and answer the following questions: a. for each variable find the mean, median, coefficient of skewness, range and population standard deviation. b. compared to variable x1, how are the mean and median affected by extreme values (outliers) seen in x2 and x3. c. is the median or mean the better measure of location for x2 and x3? explain. d. explain the differences in the magnitudes of the skewness coefficients for the three variables. e. what is the relationship between the range and standard deviation looking across the three variables?
Answers: 1
Abaseball (radius = .0366 in, mass = .145 kg) is dropped from rest at the top of the empire state bu...
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