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3 years ago

Substances that are less dense than water will_ and substances with a density that is greater than 1.00 g/ml will

1 answer:

7 0

Substances that are less dense than water will FLOAT and substances with a density that is greater than 1.00g/ml will SINK.

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Convert 614 Cal to J. Only include the numerical value in your answer. Respond with the correct number of significant figures in

Kruka [31]

Answer:

Explanation:

Given parameters:

Number of given calories = 614 cal

Note that 1cal = 4.18J

Now to convert the given calories to joule, we use the relationship below:

Since 1Cal gives 4.18Joule of energy

614Cal will produce 4.18 x 614;

2566.52J of energy.

This written as 2.57 x 10³J because it has three significant numbers of 2, 5 and 7.

In writing an operation that involves deducing the significant numbers, we simply express our answer to that shows the lowest number of significant numbers. Our problem has 3 significant numbers each and the answer is given in that regard.

7 0

3 years ago

1 loop in the primary coil and 8 loops in the secondary. If the secondary voltage is 120 V, what must be the primary voltage

Jet001 [13]

Answer:

$V_{p} = 15 V$

Explanation:

<u>Given the following data;</u>

Number of loops in primary coil, Np = 1 loop.

Number of loops in secondary coil, Ns = 8 loops

Voltage in secondary coil, Vs = 120V

To find the voltage in the primary coil, Vp;

Transformer ratio is given by the formula;

$\frac{V_{p}}{V_{s}} = \frac{N_{p}}{N_{s}}$

Making Vp the subject of formula;

$V_{p} = \frac{N_{p}}{N_{s}} * V_{s}$

Substituting into the equation, we have;

$V_{p} = \frac{1}{8} * 120$

$V_{p} = \frac{120}{8}$

$V_{p} = 15 V$

Therefore, the voltage in the primary coil, Vp is 15 Volts.

4 0

3 years ago

I need help asap please help me

Nata [24]

Answer:

it says the answer is variation

6 0

3 years ago

Read 2 more answers

Please help! will mark brainliest

Step2247 [10]

Answer:

add me!!!

Explanation:

my insta is: becomewhatyouwant2inlife

3 0

3 years ago

How will freezing the juice affect its mass?

expeople1 [14]

Answer:

Mass increases since its going from liquid to solid.

Explanation:

8 0

3 years ago

Substances that are less dense than water will_____ and substances with a density that is greater than 1.00 g/ml will____

Substances that are less dense than water will_ and substances with a density that is greater than 1.00 g/ml will