1.
When shoveling dirt, the output work is
O greater than the input work if you exert more fo...
1.
When shoveling dirt, the output work is
O greater than the input work if you exert more force
O the force exerted by the shovel on the dirt minus the output distance
O the force you exert on the shovel times the output distance
O the force exerted by the shovel on the dirt times the output distance
Answers: 3
Physics, 22.06.2019 03:30
When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy
Answers: 3
Physics, 22.06.2019 23:40
Certain bacteria (such as aquaspirillum magnetotacticum) tend to swim toward the earth’s geographic north pole because they contain tiny particles, called magnetosomes, that are sensitive to a magnetic field. if a transmission line carrying 100 a is laid underwater, at what range of distances would the magnetic field from this line be great enough to interfere with the migration of these bacteria? (assume that a field less than 5% of the earth’s field would have little effect on the bacteria. take the earth’s field to be 5.0 * 10-5 t, and ignore the effects of the seawater.)
Answers: 1
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