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deff fn [24]
3 years ago
9

What two factors determine the density of water in deep currents?

Physics
1 answer:
Alecsey [184]3 years ago
7 0

Answer:

There are two main factors that makeocean water more or less dense than about 1027 kg/m3: the temperature of the water and the salinity of the water.Ocean water gets more dense as temperature goes down. So, the colder the water, the more dense it is. Increasing salinity also increases thedensity of sea water.

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What is the kinetic energy of a 2000 kilogram boat moving at 5m/sec?
Tanya [424]
<span>Hello!
KE=1/2MV^2 where M=2000 kg and V=5 m/s .5(2000)*(5^2)=25000 J</span>
4 0
3 years ago
A longitudinal wave is a combination of a transverse wave and a surface wave.(true or false)
Lisa [10]

Answer: True

Explanation:

8 0
4 years ago
Planet Tatoone is about 1.7 AU from its Sun. Approximately how long will it take for light to travel from the Sun to Tatoone in
Radda [10]

Answer:

The value is   t =  14.129 \  minutes    

Explanation:

From the question we are told that

  The distance of planet Tatoone is  d =  1.7 \ AU  =  1.7 *1.496* 10^{11}=2.543*10^{11} \ m

   The  speed of light is  c =  3.0*10^{8} \  m/  s

Generally the time taken is mathematically represented as

     t =  \frac{d}{c}

=> t =  \frac{2.543*10^{11}}{3.0*10^{8} }

=>    t =  847.7 \  s

Now converting to minutes

       t =  \frac{847.7}{60}

   =>     t =  14.129 \  minutes    

8 0
3 years ago
Which best describes Earth's magnetic pole?
goblinko [34]

Answer:

b

Explanation:

because with no pole there is no role

7 0
3 years ago
Read 2 more answers
The weight of a body kept at a distance of 6400 km from the centre of the
Vlad [161]

Answer:

2.5N

Explanation:

since force is inversely proportional to square of the distance apart. that means the ratio of distance apart. so u have 12800×12800÷(6400××6400)=4/1

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3 years ago
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