Hold one end of a meter stick down firmly on a table so that 20 centimeters of the meter stick extends past the edge of the table. pluck the end of the meter stick that extends past the table to produce a vibration and a sound as shown. observe the vibration and sound of the meter stick. !

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?