A golf ball is rolled along a 2m high table at a constant velocity. It rolls off the edge and hits the floor 0.35m from the desk. How long was the ball falling for? What was its original velocity?

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?

The least penetrating form of radiation is

When solid surfaces slide over each other the kind of friction that occurs is called friction