During a tennis serve, a racket is given an
angularacceleration of magnitude 160 rad/s2. at thetop
of the serve, the racket has an angular speed of 14 rad/s. ifthe
distance between the top of the racket and the shoulder is1.5m,
find the magnitude of the total acceleration of the top ofthe
racket.

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?