subject
Physics, 29.01.2021 19:40 ambarpena14

Two students are experimentinh with magnets. When they first try to put the magnets together, the magnets repel each other. When one student flips over her magnet, the magnets suddenly snap together. Which fundamental force are the students observing? A. electromagnetic
B. gravitational
C. strong nuclear
D. weak nuclear

ansver
Answers: 3

Another question on Physics

question
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
question
Physics, 22.06.2019 20:50
An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)
Answers: 1
question
Physics, 23.06.2019 04:31
Which of the following is probably the least necessary character trait needed to be a good clinical nurse?
Answers: 3
question
Physics, 23.06.2019 04:40
2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?
Answers: 3
You know the right answer?
Two students are experimentinh with magnets. When they first try to put the magnets together, the ma...
Questions
question
Chemistry, 09.03.2022 22:30
Questions on the website: 13722361