If a vector that is 3cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? True or false

How does the space charge width change with forward and reverse bias? also, calculate the space charge width for a reverse bias of 4v on a silicon pn junction at t = 300k and doping concentrations of na = 5x1015cm-3 , nd = 5x 1016 cm-3 .

Arock collection comes from which part of earth?

What is the measurement of how fast an object moves relative to a reference point?