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Talja [164]
3 years ago
10

What will happen if an object or liquid with a density less than 1.0 g/cm3 is placed into water; do the same for an object or li

quid with a density more than 1.0 g/cm3 ?
Physics
1 answer:
Anna71 [15]3 years ago
3 0
If the object has a lower density than water, it will float.

If the object has a higher density than water, it will sink.
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How does the way that matter cycles through an ecosystem differ from the way that energy flows?
guapka [62]

Unlike the one-way flow of energy, matter is recycled within and between ecosystems. Every living organism needs nutrients to build tissues and carry out essential life functions.

7 0
4 years ago
What is the resistance of 1.0 m of a solid cylindrical metal cable having a diameter of 0.40 inches and a resistivity of 1.68 ×
Dahasolnce [82]

Given;

redistivity =1.68/100000000W.m

diameter =0.40in

=0.01016m

length =1m

resistance =?

redistivity =resistance×area/lenght

restance=resistivity × length /area

so, resistance =1.6535/1000000 ohmn

8 0
3 years ago
Why the efficiency of carnot engine is not 100%
SVEN [57.7K]

Well, actually a heat engine using the Carnot cycle whose cold reservoir is maintained at 0 K could in principle be 100% efficient, even if the hot reservoir was merely at the ambient temperature. Since it costs no energy at all to maintain a heat reservoir at the ambient temperature as long as you have a perfect thermal connection to a large thermal capacitor like your swimming pool or a nearby aquifer you’d have built a perpetual motion machine.

3 0
3 years ago
3. A 65 kg runner exerts a force of 59N. What is the acceleration of the<br> runner?
Mandarinka [93]

Answer:

<h2>1.10 m/s²</h2>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

f is the force

m is the mass

From the question we have

a =  \frac{65}{59}  \\  = 1.101694...

We have the final answer as

<h3>1.10 m/s²</h3>

Hope this helps you

7 0
3 years ago
How do phospholipids form a barrier between water inside the cell and water outside the cell?
VMariaS [17]
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Reasoning - in the phospholipids there's a barrier called hydrophobic which keeps the water out coming in the cell which this is in the inner cell. While the hydrophilic likes water which is outside. These two dudes help the cell from exploding lol :)
4 0
3 years ago
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