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galina1969 [7]
3 years ago
13

When there is an equal amount of positive and negative charges on an object, the object is _____?

Physics
2 answers:
Gwar [14]3 years ago
8 0
Reached equilibrium, the positive and negative charges cancel or balance each other out.
pashok25 [27]3 years ago
4 0

Answer:

<h2>The object becomes neutral, has no charge.</h2>

Explanation:

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Plzzz Help
m_a_m_a [10]

Answer:

The electromagnetic waves appear more blue in color.

Explanation:

Doppler's Effect: When a source moves with respect to the observer the frequency of the wave emitted from the source changes. If the source moves away from the observer, the frequency decreases and wavelength increases and vice versa.

Here the light source is moving towards the observer so the frequency will increase and wavelength will decrease. Thus the spectrum will shift towards the blue part. This is known as blue shift. The light wave will appear blue in color.

8 0
3 years ago
A boy on a skateboard is pushed down the sidewalk by a friend. The skateboard rolls for a while but eventually comes to a stop.
Ket [755]
Friction is causing the skateboard to stop rolling.
4 0
3 years ago
Read 2 more answers
A rowboat passenger uses an oar to push the boat off the dock by exerting a force of 40N for 3.0s. What impulse acts on the boat
jarptica [38.1K]

Answer:

120 Ns

Explanation:

The impulse exerted on an object is given by:

I=Ft

where

F is the force applied

t is the time taken

In this problem, we have:

F = 40 N

t = 3.0 s

So, the impulse acting on the boat is

I=Ft=(40 N)(3.0 s)=120 Ns

8 0
3 years ago
A piece of wood is floating in a tub of water. A second piece of wood rests on top of the first piece; it does NOT touch the wat
andreev551 [17]

Answer:

C)

Explanation:

The buoyancy and weight of the wood have to be equal for the system to be in equilibrium. The total mass (then, weight) of the wood is the same, so the total buoyancy has to be the same. Since buoyancy is the weight of the liquid displaced, the volume of liquid displaced will be the same in either case, which means that the water level will remain unchanged.

7 0
3 years ago
Please help on this one?
djyliett [7]
It’s C
Cause Impulse is found by multiplying the force and change in time (which is simply time)
So if you rearrange the equation for time you end up dividing Impulse by force.
3 0
2 years ago
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