An op amp has an open loop gain of 46 dB and an output resistance of 50 ohms. This op amp is used in an inverting configuration with closed loop input resistance of 10 ohms and feedback resistor of 40k Find its closed loop output resistance

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?

During which step of the scientific method does a scientist make an educated guess about the outcome of an experiment? a. form a hypothesis b. analyze the results c. design an experiment d. collect data