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Artyom0805 [142]
3 years ago
15

Help please

Physics
1 answer:
Rina8888 [55]3 years ago
7 0

Answer:

help please

A lamp is marked 1.8w in normal brightness it carries a

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A charged comb picking up bits of paper is an example of electrical conduction.
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Yes. As bits of paper comes in electric field of charged comb, it attracts paper towards itself by a force called it's 'Electric force" & that process of flow of electrons is called "Electrical Conduction"

In short, Your Answer would be "True"

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3 years ago
A bucket weighing 5 lbs is lifted at a constant rate from the bottom of a 100 ft well by a rope which weighs 5 lbs. The bucket h
8_murik_8 [283]

Answer:

W_{bucket} = 24934.85\,lbf\cdot ft

Explanation:

The system is modelled after the Principle of Energy Conservation and the Work-Energy Theorem:

W_{bucket} = U_{g,B, bucket} - U_{g,A,bucket} +U_{g, B, water}-U_{g,A,water} +U_{g, B, rope} -U_{g,A,rope}

W_{bucket} = (5\,lb) (32.174\,\frac{ft}{s^{2}})\cdot (100\,ft-0\,ft) + (25\,lb)\cdot (32.174\,\frac{ft}{s^{2}})\cdot (100\,ft) - (30\,lb)\cdot (32.174\,\frac{ft}{s^{2}})\cdot (0\,ft)+(5\,lb) (32.174\,\frac{ft}{s^{2}})\cdot (100\,ft-50\,ft)

W_{bucket} = 24934.85\,lbf\cdot ft

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4 years ago
What types of changes effect the sun’s energy output?
Greeley [361]

Answer:

the answer is A Cycles of solar flares and prominences heat and cool the layers below the sun’s surface

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