Physics, 09.07.2019 00:20 memorybuxton
Adancer spins at 72rpm about an axis through the center with arms outstretched. the dancer mass=90kg, model the head as a uniform sphere r=8.0cm model the trunk and legs as uniform solid cylinder r=12.0cm, arms as slender rods l=60.0cm. on the average the head=7%, both arms together=13% and trunk and legs=80% of body mass. find i and then calculate the rotational ke.15
Answers: 1
Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 22:10
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
Adancer spins at 72rpm about an axis through the center with arms outstretched. the dancer mass=90kg...
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