A person can pick up ants in many ways. They can use tweezers to
pick them up, they can use sticks or cloth to pick them up as
well.
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Term1/10
Which converts mechanical energy to electrical energy
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Definition1/10
a generator
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Term1/10
Do electric and magnetic fields always form closed loops
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Definition1/10
Magnetic fields do, because there's no such thing as an isolated
magnetic "pole",
and a magnetic line always starts and ends at opposite poles of
the same
magnetized object.
But electric fields don't. You can easily have a bundle of
isolated positive charge
over here and a bundle of isolated negative charge over there,
whereupon the
lines of the electric field start on one bundle and end on the
other bundle.
But electric field lines can also exist in closed loops, and
they do that in radio waves, where the electromagnetic field
propagates with an electric field component and a magnetic field
component, and they both form closed loops.
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Term1/10
When a wave moves from a dense medium to a less dense medium most of the wave energy is
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Definition1/10
refracted
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Term1/10
When none of the magnetic domains in a material will stay aligned the material is called
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Definition1/10
not magentic
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Term1/10
A motorcycle slows down from 40 ms to 20 ms If this takes 4 seconds what is the motorcycle's acceleration
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Definition1/10
-5 m/s2
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Term1/10
A bundle of roofing shingles slides off a roof and is falling to the ground As it falls what kind of energy does it possess
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Definition1/10
Kinetic and potential
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Term1/10
Which data-storage device will not have its data scrambled by a magnet
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Definition1/10
CD
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Term1/10
How were slaves affected by the new republic
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Definition1/10
Some northern states made slavery against the law.
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Term1/10
What will be attracted to or repelled by an magnet
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Definition1/10
a copper wire carrying current and another magnet.
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Cards in this guide (10)
How do you pick up ants
A person can pick up ants in many ways. They can use tweezers to
pick them up, they can use sticks or cloth to pick them up as
well.
Which converts mechanical energy to electrical energy
a generator
Do electric and magnetic fields always form closed loops
Magnetic fields do, because there's no such thing as an isolated
magnetic "pole",
and a magnetic line always starts and ends at opposite poles of
the same
magnetized object.
But electric fields don't. You can easily have a bundle of
isolated positive charge
over here and a bundle of isolated negative charge over there,
whereupon the
lines of the electric field start on one bundle and end on the
other bundle.
But electric field lines can also exist in closed loops, and
they do that in radio waves, where the electromagnetic field
propagates with an electric field component and a magnetic field
component, and they both form closed loops.
When a wave moves from a dense medium to a less dense medium most of the wave energy is
refracted
When none of the magnetic domains in a material will stay aligned the material is called
not magentic
A motorcycle slows down from 40 ms to 20 ms If this takes 4 seconds what is the motorcycle's acceleration
-5 m/s2
A bundle of roofing shingles slides off a roof and is falling to the ground As it falls what kind of energy does it possess
Kinetic and potential
Which data-storage device will not have its data scrambled by a magnet
CD
How were slaves affected by the new republic
Some northern states made slavery against the law.
What will be attracted to or repelled by an magnet
a copper wire carrying current and another magnet.