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shusha [124]
4 years ago
10

Is winking a genetic and why?

Physics
2 answers:
Blababa [14]4 years ago
6 0

No, because the ability to wink can be learned, and abilities that can be learned aren't genetic.

PolarNik [594]4 years ago
4 0
Yes,and because not everyone can wink and often that someone can only wink with one eye only
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the flame on a gas stove heats the bottom of a metal pot. (A) conduction (B)convection (C)radiation. the cold water in a metal p
Sedbober [7]
The flame on a gas stove heats the bottom of a metal pot is conduction.
The sun gives you a sunburn is a radiation
3 0
3 years ago
Read 2 more answers
A (light) pallet has a load of cases of tomato paste each of which is a cube of length L and has identical mass. Find the center
Dafna1 [17]

Answer:

From left = 1.2L

From back = 0.9L

Explanation:

5 x = 3(L-X) + 2(2L-X)

X = 0.7L

Distance from left = 1.2L

7y = 2(L-X)+1(2L-x)

Y = 0.4L

Distance from back = 0.9L

6 0
3 years ago
Two spheres look identical and have the same mass. However, one is hollow and the other is solid. Describe in detail an experime
creativ13 [48]

Answer:

Put the two solid spheres on an inclined plane . Use a meter-stick to hold the spheres on the plane.  Release the two spheres at the same time and let down roll down.  Observe the two spheres as they roll down and repeat the steps.  The hollow sphere will roll last while the solid sphere will roll first. The hollow sphere has more rotational inertia than the solid sphere. This is because the mass of the hollow sphere is distributed farther from its center of gravity.

Explanation:

The description of the experiment for the two spheres is given below:

1. Put the two solid spheres on an inclined plane .

2. Use a meter-stick to hold the spheres on the plane.

3. Release the two spheres at the same time and let down roll down.

4. Observe the two spheres as they roll down and repeat the steps.

5. The hollow sphere will roll last while the solid sphere will roll first. The hollow sphere has more rotational inertia than the solid sphere. This is because the mass of the hollow sphere is distributed farther from its center of gravity.

7 0
3 years ago
Suppose that a charged particle of diameter 1.00 micrometer moves with constant speed in an electric field of magnitude 1.00×105
Gnesinka [82]

Answer:

Q1 = 7.25*10^(-16) C 

Explanation:

We are given;

electric field strength = (1 x 10^5 N/C

drag force (F) = 7.25 x 10^(-11) N

The question says it's moving with constant velocity. This means that he particle is in equilibrium and not accelerating.

Columbs law force of attraction or repulsion between two charges is given as;

F=(KQ1Q2)/r²

Now, electric field strength is given as the formula;(K*Q2)/r², thus plugging the relevant values gives us;

7.25 x 10^(-11) N= (1 x 10^(5) N/C)Q1 Q1 = 7.25 x 10^(-11) /(1 x 10^(5))

Q1 = 7.25*10^(-16) C 

5 0
3 years ago
Read 2 more answers
You short-circuit a 18 volt battery by connecting a short wire from one end of the battery to the other end. if the current in t
mina [271]
The relationship between the voltage and the current in the circuit is:
\Delta V = RI
where \Delta V is the voltage difference, R the resistance of the circuit (and therefore, the resistance of the battery) and I the current flowing in the circuit. By using I=19 A and \Delta V = 18 V, we can find the internal resistance of the battery:
R= \frac{\Delta V}{I}= \frac{18 V}{19 A}=0.95 \Omega
3 0
4 years ago
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