Answer: 
Explanation:
Given
Diameter of the rod 
length of rod is 
Resistivity of silicon is 
cross-section of the rod 

Resistance of rod is R


Current is given by

<span>Work: W = Fd. 50(distance) multiplied by 90(force) would equal 4500 J or, answer D</span>
Answer:
Stellar black holes form when the center of a very massive star collapses in upon itself.
Answer:
C
Explanation:
Vector A points up
Vector B points right
The combination must be both up and right which is C