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just olya [345]
3 years ago
12

Which is more important while hitting a home run a heavier bat or faster swing? why? ​

Physics
1 answer:
Alika [10]3 years ago
5 0

Answer:

Explanation:

the hitting should be in the almost top so the more faster and strong u hit more the ball more at top will go and more far will go

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Potassium is a crucial element for the healthy operation of the human
Degger [83]

Answer:

1

  The mass of the Potassium-40 is  m_{40}} = 2.88*10^{-6} kg

2

  The Dose per year in Sieverts is   Dose_s = 26.4 *10^{-10}

Explanation:

From the question we are told that

   The isotopes of potassium in the body are Potassium-39, Potassium-40, and Potassium- 41

    Their abundance is 93.26%, 0.012% and 6.728%

   The mass of potassium contained in human body is  m = 3.0 g = \frac{3}{1000} = 0.0003 \ kg per kg of the body

    The mass of the first body is  m_1 = 80 \ kg

Now the mass of  potassium  in this body is mathematically evaluated as

       m_p =  m * m_1

substituting value

       m_p =  80  * 0.0003

      m_p  =0.024 kg

The amount of Potassium-40 present  is mathematically evaluated as

      m_{40}} =0.012% * 0.024

      m_{40}} = \frac{0.012}{100}  * 0.024

      m_{40}} = 2.88*10^{-6} kg

The dose of energy absorbed per year is mathematically represented as

          Dose  = \frac{E}{m_1}

Where E is the energy absorbed which is given as E = 1.10 MeV = 1.10 * 10^6 * 1.602*10^{-19}

    Substituting value

            Dose  = \frac{ 1.10 * 10^6 * 1.602*10^{-19}}{80}

            Dose  = 22*10^{-10} J/kg

The Dose in Sieverts is evaluated as

       Dose_s = REB * Dose

       Dose_s = 1.2 * 22*10^{-10}

       Dose_s = 26.4 *10^{-10}

             

3 0
3 years ago
The ratio of red to blue marbles in a bag 3:2. If there are 18 red marbles. How many blue marbles are in the bag
Setler79 [48]
There are 12 blue marbles, because this can basically be modeled as 3/2 = 18/x, which can be solved by mutiplying 3 and 2 by 6
4 0
4 years ago
Another circuit question. So far I've incorrectly done this one 3 out of 5 times lol
marta [7]
Hope this helps you.

7 0
4 years ago
Where will the strongest force be excerted by the scissor blades to cut through a piece of material? Explain your answer.
asambeis [7]

Answer:

in the thick part of the scissors ✂️

Explanation:

because in physics simple machine called wedge the force applied in this thick area it have thine side used to split or piece objects

8 0
2 years ago
look at the pictures. they show some people making forces. write short sentences to describe what each force is being used for
Sauron [17]

there are three picture with example and sentence

8 0
3 years ago
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