Lumbar nerves transmit signals that allow us to walk. They are a pivotal part of the human body, and without them we would be immobile. Hope this helps.
Answer:
The electrical energy is 13.5 kWh or 48600 kJ
Explanation:
Given that,
The power of the resistance heater, P = 4.5 kW
The water heater runs for 3 hours to raise the water temperature to the desired level.
We need to find the amount of electric energy used in both kWh and kJ.
Energy = Power × time
E = 4.5 kW × 3 h
= 13.5 kWh
Since,
1 kWh = 3600 kJ
13.5 kWh = 48600 kJ
Hence, the required electrical energy is 13.5 kWh or 48600 kJ
Answer:
The electric force between them if the pieces of grain are 2 cm apart is .
Explanation:
Given:
Charge on one grain,
Charge on another grain,
Separation between them,
Electric force acting between two charges separated by a distance is given as:
Where, is Coulomb's constant equal to .
Now, plug in all the values and solve for .
Therefore, the electric force between them if the pieces of grain are 2 cm apart is .
The answer to this question is:
<span>How many moons does planet Neptune have
"Neptune got exacally 14 Moons"
Hoped This Helped, </span><span>
January4
Your Welcome :) </span>
Answer:
Explanation:
Writing Newton's 2nd Law and Newton's Gravitational Law on the satellite (of mass <em>m,</em> experimenting an acceleration <em>a)</em> orbiting Earth (of mass <em>M</em>) with <em>r</em> as the distance between their centers we have:
Since this acceleration is centripetal, we can write:
So we have:
Or:
This distance <em>r</em> is the sum of Earth's radius <em>R</em> and the satellite's altitude <em>h </em>(<em>r=R+h</em>), so for our values we have (in S.I.):