Physics, 28.09.2019 16:30 jamilecalderonpalaci
The height of a door is measured by four people and their measured values are 217.6 cm, 217.2 cm, 216.8 cm, and 217.9 cm. (a) what is the average value of these four measurements? (enter your answer to the nearest tenths place.)
(b) what is the standard deviation for the four measurements?
Answers: 2
Physics, 22.06.2019 16:30, lunarwoo
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
The height of a door is measured by four people and their measured values are 217.6 cm, 217.2 cm, 21...
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