Answer:
Total voltage of the battery is 12 volts.
Explanation:
It is given that, we have three identical resistors of resistance 3 ohms are connected in series in a circuit. It is required to find the total voltage of the battery if the current in the circuit is 2 A.
Let is the equivalent resistance in series combination. The equivalent resistance is given by :
Let V is the total voltage of the battery. Ohm's law is given by :
So, the total voltage of the battery is 12 volts.
Answer:
q = 2 10⁻⁸ C
Explanation:
For this exercise we use the translational equilibrium equation
F_e -A =
F_e = W
the electric force is given by Coulomb's law
F_e =
in this case they indicate that the loads on the tapes are equal
F_e = k q² / r²
we substitute
k q² / r² = m g
q =
calculate
q =
q =
q = 1,999 10⁻⁸ C
q = 2 10⁻⁸ C
Gravity increases when mass increases and distance decreases. Gravity decreases when mass decreases and distance increases.
Answer:
The sun's gravity pulls the planet toward the sun, which changes the straight line of direction into a curve. This keeps the planet moving in an orbit around the sun. Because of the sun's gravitational pull, all the planets in our solar system orbit around it.