Acontinuous passive motion (cpm) machine is used to promote healing and flexibility in the knee and hip joint and increase circulation to the operative area. what is true about the use of cpm? select all that apply.

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(ii) sulfate is reduced to lead at the cathode and oxidized to solid lead(ii) oxide at the anode. suppose a current of is fed into a car battery for seconds. calculate the mass of lead deposited on the cathode of the battery.

Ahockey puck sliding along frictionless ice with speed v to the right collides with a horizontal spring and compresses it by 3.0 cm before coming to a momentary stop.