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Anton [14]
3 years ago
6

All of the following are environmental factors that affect human development except _____.

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

Answer:

The answer would be....

Explanation:

Chromosomes.

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How do you find the net force acting on an object?
weqwewe [10]

Answer:

C. Add all the force vectors

Explanation:

The net force acting on an object is the vector sum of all the  forces on the object.

Remember, Newton's first law tells us a body at rest will remain at rest or that in uniform motion will continue in motion unless acted by unbalanced forces.These unbalanced forces act in all direction towards the body thus to get the net force you require a summation of all these force with respect to their magnitudes and directions.

For example a force of 3N towards the East direction acting on a body and another force of 2N towards the West direction on the same body will generate a net force of 1N towards the East direction.

4 0
3 years ago
Laws of motion are important for the study of objects that are not in motion and objects in motion. Is it true or false?
e-lub [12.9K]
Gotta be true because physics
3 0
3 years ago
Read 2 more answers
In regards to mechanical energy, is energy being conserved ?
xxTIMURxx [149]

If only internal forces are doing work (no work done by external forces), then there is no change in the total amount of mechanical energy. The total mechanical energy is said to be conserved. ... In these situations, the sum of the kinetic and potential energy is everywhere the same.

7 0
3 years ago
10. Electrical Power: Why do our electronic devices get hot? We know
Vesna [10]

Answer:

Now, think on the electrons flowing through a conductor (we can think on the resistor as a simple conductor, like a piece of metal)

Inside the conductor, we have some "fixed" (they do not flow with the current) electrons, such that as the current flows in the conductor, the flowing electrons can interact with the fixed ones in the conductor. Then we can have collisions inside the conductor.

In those collisions, the flowing electrons leave energy in the conductor, and as we know, heat is a form of energy. Then when we have a lot of these collisions, the temperature of the conductor increases.

That is why electronic devices get hot.

Also, as the temperature of a conductor increases, the electrons inside of it start to move more, then the probability of an interaction with the flowing electrons increases.

3 0
3 years ago
You apply a force of 18 N to a dresser and move it 3.0 m. How much work did you do on the dresser?
charle [14.2K]

Answer:

54 J

Explanation:

Work done = force * displacement

                  = 18 *3

                  = 54 J

7 0
3 years ago
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