A light bulb with a resistance of 2.9 ohms is operated using a 1.5 volt battery. At what rate is electrical energy transformed in the ligthbulb?

1) 0.52W

2) 0.78W

3) 4.4W

4) 6.5W

Which statement correctly describes the formation of an electric current? A resistance causes electric charges to move from lower to higher potential. A voltage causes electric charges to move from lower to higher potential.

A one-dimensional conservative force is given by the function F (x) = (2.00 N/m) x + (1.00 N/m3) x3. What is the change in potential energy of the object as it moves from x = 1.00 m to x = 2.00 m? Enter your answer in Joules.

If a powerlifter raises a 1000 N weight a distance of 2.0 meters in 0.5 seconds, what is his power output?

When an object is lifted 12 meters off the ground, it gains a certain amount of potential energy. If the same object is lifted 36 meters off the ground, its potential energy is

How far does a car travel if is going 4.0 m/s and accelerates to 3.5m/s2 for 5s?

A cage containing male mosquitoes has a small earphone placed on top, through which the sound of a female mosquito is played. all the males immediately fly to the earphone and go through all of the steps of copulation.

The direction of the force on a current-carrying wire in a magnetic field is

One 10.0 amp resistor is wired in a series with two 10.0 amp resistors in parallel. A 45.0 C battery supplies power to the circuit. What is the total current through the circuit?

How to find acceleration

Which of the following involves the emission of a particle that has the same mass of an electron with a positive charge. a. alpha decay c. positron emission b. beta decay d. nuclear forces