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Alinara [238K]
3 years ago
9

Use the drop-down menus to complete the statements. v ion is formed. OS When electrons are lost, a ____ When electrons are gaine

d, a ____ ion is formed.​
Physics
2 answers:
AURORKA [14]3 years ago
7 0

Answer:

1. Positive

2. Negative

Explanation: edge 2021

Hope this helps! :)

Sergio039 [100]3 years ago
3 0

Answer:

Positive

negative

this is on edgy

Explanation:

I got it right when I did this.

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An astronaut rides in a circular training accelerator at 16 m/s. If the radius of the accelerator is 8.0 meters, what is his cen
iren [92.7K]

Answer:

a=32\ m/s^2

Explanation:

Given that,

The velocity of an astronaut in a circular path, v = 16 m/s

The radius of the accelerator, r = 8 m

We need to find his centripetal acceleration. The formula that is used to find the centripetal acceleration is given by :

a=\dfrac{v^2}{r}\\\\a=\dfrac{(16)^2}{8}\\\\a=32\ m/s^2

So, the required centripetal acceleration is 32\ m/s^2.

7 0
3 years ago
During normal beating, the heart creates a maximum 3.60 mV potential across 0.250 m of a person's chest, creating a 1.00 Hz elec
grandymaker [24]

Answer:

The maximum electric field strength is 0.0144 V/m.

Explanation:

Given that,

Electric potential created in the heart, V = 3.6 mV

Distance, d= 0.25 m

Frequency of the the electromagnetic wave, f = 1 Hz

We need to find the maximum electric field strength created. We know that the electric potential is given by :

V=Ed

E is the maximum electric field strength

E=\dfrac{V}{d}\\\\E=\dfrac{3.6\times 10^{-3}\ V}{0.25\ m}\\\\E=0.0144\ V/m

So, the maximum electric field strength is 0.0144 V/m. Hence, this is the required solution.

5 0
3 years ago
A sailboat starts from rest and accelerates at a rate of 0.21 m/s^2 over a distance of 280 m. find the magnitude of the boat's f
sasho [114]

We use the kinematic equations,

v=u+at                                          (A)

S= ut + \frac{1}{2} at^2                  (B)

Here, u is initial velocity, v is final velocity, a is acceleration and t is time.

Given,  u=0, a=0.21 \ m/s^2 and s= 280 m.

Substituting these values in equation (B), we get

280 \ m = 0 +\frac{1}{2} (0.21 m/s^2) t^2 \\\\ t^2 = \frac{280 \times 2}{0.21 } \\\\ t= 51.63 \ s.

Therefore from equation (A),

v = 0 + (0.21) \times (51.63 s)= 10.84 \ m/s

Thus, the magnitude of the boat's final velocity is 10.84 m/s and the time taken by boat to travel the distance 280 m is 51.63 s



8 0
3 years ago
When we stand on loose sand, our feet go deep into the sand but when we lie down on the sand our body does not go that deep in t
wlad13 [49]
When you lay down your weight is distributed over a much larger surface area than while standing. You are putting a much greater force on a much smaller area standing.
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4 years ago
Identify the following as
bazaltina [42]
3. Kinetic energy
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5. Kinetic energy because it’s moving towards the waterfall otherwise there wouldn’t be a waterfall.
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