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Andru [333]
3 years ago
8

Pam rubs a balloon on her head and then holds the balloon up against a wall. Why might the balloon stick to the wall?

Physics
2 answers:
emmainna [20.7K]3 years ago
6 0

Answer:

Magnetism causes an attractive force between the balloon and the wall

Explanation:

gregori [183]3 years ago
4 0

Answer:

It sticks to the wall due to electrostatics.

Explanation:

When pam rubs a balloon against his hair, and holds it up against the wall, he is basically adding a surplus of electrons which are negative charges to the surface of the balloon.

This motion would make the wall the more positively charged than the balloon. Therefore, when the two charges come in contact with each other, the balloon will stick to the wall because of the rule in electrostatics that opposite charges attract each other.

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The electrical energy consumed by a toaster is 0.033 Kwh.

<u>Explanation</u>:

The power utilized by the toaster is 400 W.

\text { The power utilized by the toaster is } 400 \mathrm{W} \text { in kilo-watts is } \frac{400}{1000}=0.4 \mathrm{Kw}

The toaster is operated for 5 Minutes.

\text { The toaster is operated for } 5 \text { Minutes in hours is } \frac{5}{60}=0.083 \text { hours. (One minute is } 60 \text { seconds) }

We know that,

\text {power}=\frac{\text {energy}}{\text {time}}

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0.4=\frac{\text { energy }}{0.083}

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Hi,
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