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Paraphin [41]
3 years ago
8

Select all correct answers....Covalent compounds​

Physics
1 answer:
yaroslaw [1]3 years ago
5 0
I know for sure that the third one is correct
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An ideal battery would produce an extraordinarily large current if "shorted" by connecting the positive and negative terminals w
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Answer:

Resistance, R=0.529\ \Omega

Explanation:

Given that,

Voltage of the battery, V = 9 volts

Current produced in the circuit, I = 17 A

We need to find the resistance when shorted by a wire of negligible resistance. It is a case of Ohm's law. The voltage is given by :

V=IR

R=\dfrac{V}{I}

R=\dfrac{9\ V}{17\ A}

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So, the resistance in the circuit is 0.529 ohms. Hence, this is the required solution.

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A mother and her 35.0 -kg child are riding an escalator to the third level of a shopping mall. If the child's gravitational pote
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The increase in potential energy of his mother if her mass is 56.0 kg will be 6031.97 J.

<h3>What is gravitational potential energy?</h3>

The energy that an item has due to its location in a gravitational field is known as gravitational potential energy.

The potential energy increases by 3773 J

PE₂-PE₁=mg(h₂-h₁)

3773 J = 35.0 × 9.81 × (h₂-h₁)

(h₂-h₁) = 10.98

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ΔPE=mg(h₂-h₁)

ΔPE=56.0 × 9.81 ×10.98

ΔPE=6031.97 J.

Hence, the increase in potential energy of his mother if her mass is 56.0 kg will be 6031.97 J.

To learn more about the gravitational potential energy, refer;

brainly.com/question/3884855#SPJ1

#SPJ1

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