Copper and aluminum are being considered for a high-voltage transmission line that must carry a current of 62.1 a. the resistance per unit length is to be 0.153 0/km. the densities of copper and aluminum are 8960 and 2600 kg/m, respectively. compute(a) the magnitude of the current density and (b) the mass per unit length a for a copper cable and (c) and (d) for an aluminum cable. (a) number units (b) number units (c) number units units (d) number

think about the oscillation of the toy shown in the video. when the toy is at the highest point of its motion, its velocity is zero and its acceleration is negative.

he . if i may ask what i your question exactly?

explanation:

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.