Six women push grocery carts up a ramp as shown. 10 ft.
15 ft.
2 carts weigh 50 lbs. each.
4 carts weigh 20 lbs. each.
How much work was done?
ft.-Ibs. (total work)
1800
0 2700
0 4200
o 700

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

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?

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?