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Otrada [13]
3 years ago
9

An is holding an ice cube. What causes the ice to melt?

Physics
1 answer:
ivann1987 [24]3 years ago
6 0

Answer: A... Thermal energy from the ice is transferred to the air.

Explanation: because I just know.

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Suppose the sphere is electrically neutral. Is it attracted to
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Answer:

No, it is not attracted.

Explanation:

If any sphere is electrically neutral it is not attracted. The materials which are attracted by magnet are called magnetic material whereas which are not attracted are called non magnetic material. Sphere made up of non magnetic materials such as glass, wood, paper will not attracted weather is kept near north pole or near south pole.

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Hi please may someone help me especially on the sketch part.
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Ignoring the air resistance it will take about 3 seconds for the object to reach the ground.We know that the acceleration due to gravity is 10m/s2.

We also know that the final velocity is 30 m/s while the initial velocity is 0 m/s

we can use the formulae for acceleration to calculate the time taken/

(final - initial velocity)/timetaken=10

(30-0)/timetaken=10

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7 0
3 years ago
If one of two interacting charges is doubled, the force between the charges will _____________.
malfutka [58]

If one of two interacting charges is doubled, the force between the charges will double.

Explanation:

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K=constant= 9 x 10⁹ N m²/C²

q1= charge on first particle

q2= charge on second particle

r= distance between the two charges

Now if the first charge is doubled,

we get F'=\frac{k (2q1) q2}{r^{2}}

F'= 2 F

Thus the force gets doubled.

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Can convection cause a current all by itself
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..............no.......................
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Molecules rearrange and form new molecules reversible
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2. </span><span>simultaneous decomposition and synthesis - reversible (it can go back)
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4. </span><span>molecules formed from components - synthesis (these components merge and create molecules)</span>
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3 years ago
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