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nlexa [21]
3 years ago
11

) Distinguish between scalar and vectorquantities​

Physics
1 answer:
Zigmanuir [339]3 years ago
7 0

Answer:

A scalar quantity is different from a vector quantity in terms of direction. Scalars don’t have direction whereas vector has.

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Which property of physical changes explains why matter is conserved in a physical change? The arrangements of particles do not c
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Answer: Option (d) is the correct answer.

Explanation:

Physical change is defined as a change in which no new product is formed, that is, there is no change in chemical composition of a substance.

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Why a crystal of potassium chloride has a definite shape<br>​
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The crystal of potassium chloride has a definite shape because it consists of particles that are held in fixed positions.

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Learn more: brainly.com/question/488789

3 0
3 years ago
A student constructed a simple electric circuit where two light bulbs were connected in parallel. The circuit power source was a
Natasha2012 [34]

Answer:

RT =  17 ohms

Explanation:

For two parallel resistances in a circuit the combined resistance is given by:

\frac{1}{R_T}=\frac{1}{R_1}+\frac{1}{R_2}\\\\\frac{1}{R_T}=\frac{R_2+R_1}{R_1R_2}\\\\R_T=\frac{R_1R_2}{R_1+R_2}

R1 = 25 ohms

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You replace the values of R1 and R2 in the formula for RT:

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