A lightbulb has an efficiency of 13.1%. How much light energy (not heat energy) is generated by the bulb every second if the bulb has a power of 8 W?

How can the magnetic field be seen around a wire? A. using a battery B. with an insulator C. using iron filings D. it is always visible

What is the force driving all of these transport mechanisms?

A battery and a resistor are wired into a circuit. The resistor dissipates 0.50 W. Now two batteries, each identical to the original one, are connected in series with the resistor. Part A What power does it dissipate?

Car travels 13 meters per second accelerates to 25 meters per second, how far did it travel in 6 seconds

You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the "oars") toward you, it moves a distance of 1.3 m in a time of 1.5 s.

A building that is 105.50 ft. feet tall is casting a shadow that is 37.50 ft. feet. If the building next to it, is casting a shadow of 41.00 ft. feet, how tall is that building?

What is the technical name for super glue type adhesives

On his fishing trip Justin takes the boat 25 km south. The fish aren't biting so he goes 10 km west. He follows a school of fish 15 km north. What distance did he cover? What was his displacement?

n open rectangular tank is filled to a depth of 2 m with water (density 1000 kg/m3). On top of the water there is a 1 m deep layer of gasoline (density 700 kg/m3). The width of the tank is 1 m (the direction perpendicular to the paper).

Is the sun considered a star?