A cabel is pulling a box with mass 300 kg on a horizontal plane. The cabel acts 60° on the direction of movement of the box. If the tension in the cabel is 1000 N and
the box is moved for 4.5 m, calculate the work done to move the box.

Ok what do you need with

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.

C. the electric current passes from the slip rings, through the brushes, and to the collection device.