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Physics, 22.06.2019 02:10
How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 08:30
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if itβs pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
Physics, 22.06.2019 15:50
Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?
Answers: 1
Physics, 22.06.2019 20:00
Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?
Answers: 3
Mathematics, 16.02.2020 23:56
History, 16.02.2020 23:58
Mathematics, 16.02.2020 23:58
History, 16.02.2020 23:58
Physics, 17.02.2020 00:02
Physics, 17.02.2020 00:02
Mathematics, 17.02.2020 00:02
Mathematics, 17.02.2020 00:04
Mathematics, 17.02.2020 00:04
History, 17.02.2020 00:07