4 years ago

Which part is not necessary to complete a circuit

Physics

2 answers:

Levart [38]4 years ago

6 0

A SWITCH I THINK??..

kondaur [170]4 years ago

6 0

A switch is the answer

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A reaction that releases heat is: endothermic exothermic none of the above

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Answer:

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Explanation:

A reaction that releases heat is known as an exothermic reaction.
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A reaction that absorbs or gains heat from the surrounding is known as endothermic reaction.
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(B) 2.25cm

Explanation:

Given:

At 40 hours, the height of the bamboo plant is 2.1cm

At 50 hours, the height of the bamboo plant is 2.4cm

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The difference in length from 40 to 50 hours = 2.4 - 2.1cm

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Thus,

At 45 hours, the height will increase by 0.3/2

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