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Snowcat [4.5K]
3 years ago
11

Which substance(s) will be good conductors of electricity?

Physics
2 answers:
Igoryamba3 years ago
8 0

Answer:

copper like just look at battery today they hold it now

Paul [167]3 years ago
6 0

Answer:Metallic Conductors

Explanation:It is because it is so closely packed so that it the resistor's resistance are very low.

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What effect does a tripling of the net force have upon the acceleration of the object?
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The formula of net Force is:F = mawhere m is the mass of the objecta is the acceleration of the object
thus, if we triple the net force applied to the object:
3F = maa = 3F / m
The acceleration is also tripled since the force is directly proportional to the acceleration.


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What is cocanve mirror?​
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A mirror that has a reflecting surface that is recessed inward is called concave mirror

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Scientists want to place a telescope on the moon to improve their view of distant planets. The telescope weighs 200 pounds on Ea
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Answer:

33,02 lb

Explanation:

g_m ≈ 1,62 m/s2

g ≈ 9,81 m/s2

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Are white clouds transparent opaque or translucent
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4 0
3 years ago
A small 1.0 kg steel ball rolls west at 3.0 m/s collides with a large 3.0 kg ball at rest. After the collision, the small ball m
77julia77 [94]

Answer:

The direction of the momentum of the large ball after the collision with respect to east is 146.58°.

Explanation:

Given that,

Mass of large ball = 3.0 kg

Mass of steel ball = 1.0 kg

Velocity = 3.0 kg

After collision,

Velocity = 2.0 m/s

Using conservation of momentum

m_{1}u_{1}+m_{2}u_{2}=m_{1}v_{1}+m_{2}v_{2}

3.0\times0+1.0\times(3.0)(-i)=1.0\times2(-j)+3.0\times v_{2}

-3i+2j=3.0\times v_{2}

v_{2}=-i+0.66j

The direction of the momentum

tan\theta=\dfrac{0.66}{-1}

\theta=tan^{-1}\dfrac{0.66}{-1}

\theta=-33.42^{\circ}

The direction of the momentum with respect to east

\theta=180-33.42=146.58^{\circ}

Hence, The direction of the momentum of the large ball after the collision with respect to east is 146.58°.

7 0
2 years ago
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