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3 years ago

Which of the following is the most important factor when determining a safe speed?

Chemistry

2 answers:

ladessa [460]3 years ago

4 0

Answer:

Wind, water conditions and currents

Explanation:

To determine a 'safe speed' for your boat, it is very pertinent to take into account the following very important factors: The visibility conditions (fog, mist, rain, darkness) The wind, water conditions and currents. Traffic density, type of vessels in the area and their proximity are also important considerations to take into account.

Alecsey [184]3 years ago

3 0

D is the answer to the question

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What is the difference in mean solar time between 30 N 75 W and 30 N 90 W

ratelena [41]

Answer:

Every 15 degrees is an hour

Explanation:

What is the time difference in mean solar time between 30° N 75° W and 30° N 90° W?

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3 years ago

The mass and volume of each box is given in the chart below. Calculate the density of each box. Density = Mass/ volume which box

stira [4]

Box C will have the greatest density.

All boxes have the same volume.

Explanation:

We calculate the density using the following formula:

density = mass / volume

density of Box A = 10 g / 20 cm³ = 0.5 g/cm³

density of Box B = 30 g / 20 cm³ = 1.5 g/cm³

density of Box C = 170 g / 20 cm³ = 8.5 g/cm³

Box C will have the greatest density.

All boxes have the same volume.

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3 years ago

The difference between ionic covalent and metallic bonding

sleet_krkn [62]

Ionic: transfer of electrons
Covalent: sharing of electrons
Metallic: sharing of free electrons in a structure of cations

7 0

4 years ago

(Chemistry) Match each item with the correct statement below.

Colt1911 [192]

$Number\;1:\;Formula.\\\\Number\;2:\;Solution\\\\Number\;3:\;Chemistry\\\\Number\;4:\;Solute\\\\Number\;5:\;Mass\\\\Number\;6:\;Matter\\\\Number\;7:\;Alloy\\\\Number\;8:\;Aqueous\\\\Number\;9:\;Quantitative$

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3 years ago

Which of these is the best definition of a fuel cell?

oksian1 [2.3K]

Answer:

A voltaic cell that uses the oxidation of a fuel to produce electricity

Explanation:

A fuel cell is a voltaic cell that converts the chemical energy of a fuel and an oxidizing agent into electricity.

A. is wrong. This definition is so broad that it could include a candle in a cup.

C is wrong. The batteries in flashlights and cell phones are not fuel cells.

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3 years ago