john pushes a 100 kg bench horizontally with a force of 380 newtons. what is the size of the friction force acting on the bench if the coeficient of static friction is 0.4, where will the bench be 10 seconds after john start pushing

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?