3 years ago

What is another example of Newton’s first law?

1 answer:

5 0

Answer:When a bus suddenly starts, the passengers sitting or standing in the bus tend to fall backward. This is due to inertia of rest and can be explained as follows: when the bus suddenly starts, the lower part of the body of the passenger which is in contact with the bus moves along with the bus while the upper part of the body tends to retain its state of rest due to inertia. As a result, the passenger falls backward.

Explanation:

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What is the specific heat of a substance if 1450 calories are required to raise the temperature of a 240g sample by 20℃?

bazaltina [42]

Answer:

6960 J/kg°C

Explanation:

specific heat= mass×specific heat capacity×increase in temperature

specific heat= 0.240×1450×20= 6960 J/kg°C

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2 years ago

What happens chemically when quick lime is added to water?

sineoko [7]

Answer:

CaO + H20 => Ca(OH)2

Explanation:

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Dominik [7]

ANSWER
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EXPLANATION

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Why is it difficult for countries to reduce emissions of carbon dioxide

Natalka [10]

Answer:

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Explanation:

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3 years ago

The number of un paired electrons in the outer subshell of a cl atom is

Tatiana [17]

1 is the number of unpaired electrons in the outer subshell of a Cl atom

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