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What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above