Why does the midi system (sound system) have the widest range of frequencies?

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?

Write the formula for average velocity a car travels a distance of 50 km in 5 hours and returns travelling the same distance in 6 hours calculate the average velocity of the car

Five examples total of events causing weathering and erosion ( explain)