What type of force keeps the earth in orbit around the sun?

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 the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

The material that keeps its new shape after it is stretched is called?