The power in an electrical circuit is given by the equation p= rr, where /is the current flowing through the circuit and ris the resistance of the circuit. what is the power in a circuit that has a current of 12 amps and a resistance of 100 ohms? a. 144 watts b. 8.3 watts c. 1200 watts d. 14,400 watts

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

In physics the desire of an object to keep doing what it is doing is termed?