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Umnica [9.8K]
3 years ago
7

Scientists studying bull sperm whales off the coast of South Africa have calculated that these mammals can descend to depths of

nearly 3,000 m during their search for food. What is this depth in kilometers?
Physics
2 answers:
Llana [10]3 years ago
8 0
1 kilometer is 1000 meters so the answer would be 3 kilometers
Zarrin [17]3 years ago
3 0

Answer:

3,00,000

Explanation:

because 1 m =100m so, 3000x100=300000

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8 0
3 years ago
Which statement correctly explains scientific theories?
Elan Coil [88]
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4 0
3 years ago
Read 2 more answers
A person is drawing water from a well, pulling up a bucket that weighs 4.50 kg, at a constant speed. What is the force exerted o
TEA [102]

Answer:

44.13015

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use the 9.8067 newtons to 1 kg conversion

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3 years ago
A change in the gravitational force acting on an object will affect the object
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It is weight, if I understand your question.
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3 years ago
What is the strength of the electric field 0.1 mmmm below the center of the bottom surface of the plate
Aleksandr [31]

Complete Question

A thin, horizontal, 12-cm-diameter copper plate is charged to 4.4 nC . Assume that the electrons are uniformly distributed on the surface. What is the strength of the electric field 0.1 mm above the center of the top surface of the plate?

Answer:

The  values is  E =248.2 \  N/C

Explanation:

From the question we are told that

   The  diameter is  d =  12 \  cm  =  0.12 \ m

    The charge  is  Q =  4.4 nC  =  4.4 *10^{-9} \  C

    The  distance from the center  is  k =  0.1 \ mm   =  1*10^{-4} \  m

Generally the radius is mathematically represented as

        r =  \frac{d}{2}

=>     r =  \frac{0.12}{2}

=>       r =  0.06 \  m

Generally electric field is mathematically represented as  

       E =  \frac{Q}{ 2\epsilon_o } [1 - \frac{k}{\sqrt{r^2 +  k^2 } } ]

substituting values  

      E =  \frac{4.4 *10^{-9}}{ 2* (8.85*10^{-12}) } [1 - \frac{(1.00 *10^{-4})}{\sqrt{(0.06)^2 +  (1.0*10^{-4})^2 } } ]

     E =248.2 \  N/C

4 0
3 years ago
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