The power is an electrical circuit is given by the equation p = i^2r, where i is the current flowing through the circuit and r is the resistance of the circuit. what is the power in a circuit that has a current of 0.1 amps and a resistance of 18 ohms? a. 1.8 watts b. 0.1 watts c. 180 watts d. 0.18 watts

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.