Calculate how much work you need to move a 280 n shed to a platform 5 m above.
a 2,800 j
b. 1,400 j*
c. 56 j

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?