Ideal mechanical advantage is equal to the displacement of the effort force divided by the displacement of the load. True
False

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

What is a good example of instantaneous speed

What is the increase in density of a medium due to wave travel?