A bucket of water with a mass of 4 kg hangs from a rope. If the bucket is to be pulled up to the rooftop with a constant velocity of 1 m/s, what must the tension in the rope be?

Which lists the amplitudes of sound waves from these sources in order from greatest to least? busy roadway, kids whispering, average home chainsaw, diesel truck, rustling leaves kids whispering, vacuum cleaner, jet airplane library, conversational speech, music from speaker