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3 years ago

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:

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

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

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

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