Answer:
The energy is dissipated in the resistor at the rate of 0.482 W
Explanation:
Given :
Potential difference resistor 12 V
Energy dissipated in the resistor 0.630 W
New potential difference 10.5 V
We know that energy dissipated per unit time through resistor is given by,
⇒
Rate of energy dissipated is proportional to the square of the applied potential.
So for new potential we can write,
W
So new rate of energy dissipation is 0.482 W
Here it is the use of vector and conservation of momentum !
so,
√(16^2+21^2) ×1000= 3000 v
v =8.8 m/s
so answer is B !
if you have any doubt, you can ask ! just comment !
Answer:
The cocoa was mixed with hot water, but some cocoa settled as it cooled because the solubility went down.
Mass is always constant. Everything that is matter, which takes up space, has a mass. so therefore, mass is always constant.
answer:
1.8E-15C/1.6E-19=11,250
Explanation:
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions. These ions enter cells through narrow pores in the cell membrane known as ion channels. Each ion channel, which is formed from a specialized protein molecule, is selective for one type of ion. Measurements with microelectrodes have shown that a 0.30-nm-diameter potassium ion ({\rm{{\rm K}}}^{\rm{ + }} ) channel carries a current of 1.8 {\rm pA}.