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Burka [1]
3 years ago
15

A sonar device on a ship sends ultrasound waves under the water to locate a sunken ship. It takes the ultrasound wave 0.6 second

s to travel from the device to the sunken ship and back again. How far below the surface is the sunken ship?
Physics
1 answer:
stealth61 [152]3 years ago
8 0

Answer:

d= 1450× 0.6/2=426m

..........

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3 years ago
What is the largest particle size that a stream can transport at a velocity of 5 centimeters per second?
laila [671]
Sand. sand is much lighter and can be carried further
3 0
3 years ago
According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans of wate
WARRIOR [948]

Answer:

25

Explanation:

Given:

1 can of concentrate requires 3 cans of water

Now,

Total ounces in 200 6-ounce cans = 1200 ounces

also,

for 1 can of concentrate requires 3 cans of water

thus,

for 12 ounces can water can required = 3 × 12 ounces = 36 ounces of cans

Thus,

total ounce of juice per can = 12 + 36 = 48 ounces per can

therefore,

the number of 12-ounce cans required  are = \frac{\textup{Ttoal ounces}}{\textup{Ounces per can}}

or

= \frac{\textup{1200}}{\textup{48}}

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8 0
3 years ago
What is the entropy change of a 0.349 g spoonful of water that evaporates completely on a hot plate whose temperature is slightl
quester [9]

Answer:

\Delta S = 2.11 J/K

Explanation:

As we know that entropy change for phase conversion is given as

\Delta S = \frac{\Delta Q}{T}

Here we know that heat required to change the phase of the water is given as

\Delta Q = mL

here we have

m = 0.349 g = 3.49\times 10^{-4} kg

L = 2250000 J/kg

now we have

\Delta Q = (3.49 \times 10^{-4})\times 2250000

\Delta Q = 788.9 J

also we know that temperature is approximately same as boiling temperature

so we have

T = 373 k

so here we have

\Delta S = \frac{788.9}{373}

\Delta S = 2.11 J/K

3 0
3 years ago
What sort evidence must be gathered to support the idea that all living things are composed of cells
scZoUnD [109]

<u>Answer:</u>

To support the idea that all living things are composed of cells samples of many kinds of living things should be examined under a microscope to identify the presence of cells.

<u>Explanation:</u>

Cell theory states that all living beings are composed of cells. To prove this a thorough examination of a number of living beings under a powerful microscope is needed. Parts of all living things when observed under the microscope are found to be made up of smaller units called cells.

This examination helps to identify differences between plant cells and animal cells. It also gives an idea of the existence of unicellular organisms.  

8 0
4 years ago
Read 2 more answers
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