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2 years ago

Question

Physics

1 answer:

finlep [7]2 years ago

5 0

Answer:

one for physical is that your muscles will seize up or cramp when you try to move. one for mental is that if your always sitting down you will most likely become stressed or get depression

Explanation

the reason your muscles cramp is from lack of exercise form sitting they get used to that position and want to stay that way. then theres the deprestion ive had it it aint fun nor is stress ive had that too

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What is the SI unit of energy

Anettt [7]

The SI unit of energy is joule(J). Hope this helps!

5 0

3 years ago

Suppose an electron is trapped within a small region and the uncertainty in its position is 24. 0 x 10-15 m. what is the minimum

sergeinik [125]

The minimum uncertainty in the electron's momentum is

$Δp = 2.2822 \times 10 {}^{ - 20} kg/ms$

Given:

Uncertainty in position (ΔX)

$= 24 \times 10 {}^{ - 15}m$

planck's constant (h)

$= 6.26 \times 10 {}^{ - 34} js$

To find:

uncertainty in momentum (Δp)

Δx.Δph/4π

$24 \times 10 {}^{ - 15} .Δp = \frac{6.26 \times 10 {}^{ - 34} }{4 \times \frac{22}{7} }$

$24 \times 10 {}^{ - 15}. Δp = \frac{6.26 \times 10 {}^{ - 34} \times 7 }{8}$

$Δp = \frac{43.82 \times 10 {}^{ - 34} }{8 \times 24 \times 10 {}^{ - 15} }$

$Δp = \frac{43.82 \times 10 {}^{ - 34} \times 10 {}^{ 15} }{192}$

$Δp = \frac{4382 \times 10 {}^{ - 21} }{192}$

$Δp =22.822 \times 10 {}^{ - 21}$

$Δp = 2.2822 \times 10 {}^{ - 20} kg/ms$

learn more about electron's momentum from here: brainly.com/question/28203580

#SPJ4

3 0

2 years ago

Question 3 (1 point)

IgorLugansk [536]

Answer:

(X - 25)/Y

Explanation:

Change in velocity = X - 25

Time elapsed = Y

Acceleration = Change in velocity/Time = (X - 25)/Y

4 0

2 years ago

. Suppose you walk 18.0 m straight west and then 25.0 m straight north. How far are you from your starting point? What is your d

Scorpion4ik [409]

Answer:

Explanation:

The total distance is how far you walk from the starting point.

Distance through west = 18.0m

Distance through north = 25.0m

Total distance covered = 18.0+25.0m

Total distance covered = 43.0m

This means that I am 43.0m from the starting point

Displacement is the distance covered in a specified direction. The displacement will be gotten using the Pythagoras theorem as shown:

$d^2 = 25^2 + 18^2\\d^2 = 625+324\\d^2 = 949\\d = \sqrt{949}\\ d = 30.81m$

The direction of your displacement is 30.81m

Direction is gotten according to the formula;

$\theta = tan ^{-1}{\frac{y}{x} }\\\theta = tan ^{-1}{\frac{25}{-18} }\\\theta = tan ^{-1}-1.3889}\\\theta = -60.27^0\\\theta = 180-60.27\\\theta = 119.7^0$

<em>Note that the direction to the west is negative, that is why the x is -18.0m</em>

5 0

3 years ago

Democritus thought that matter was made of tiny particles of earth, air, fire, and water.

guajiro [1.7K]

Answer:

The answer is that could be divided.

Explanation:

3 0

3 years ago