Physics, 02.07.2019 00:20 EthanIsHyper
An object that is thrown straight up falls back to earth. this is one-dimensional motion. (a) when is its velocity zero? (b) does its velocity change direction? (c) does the acceleration due to gravity have the same sign on the way up as on the way down?
Answers: 1
Physics, 22.06.2019 19:30
Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
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
Physics, 23.06.2019 02:50
Orque can be calculated by multiplying the force (n) applied at 90ā to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is nā
m. if the force (at 90ā to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?
Answers: 2
Physics, 23.06.2019 14:00
What is the potential energy possessed by a rock of mass 4kg projected to a height of 2m (g=10m/s2)
Answers: 1
An object that is thrown straight up falls back to earth. this is one-dimensional motion. (a) when i...
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