Worldwide, coal is, because it's cheap, plentiful, easy to obtain, easy to transport, easy to store, easy to handle, carries lots of chemical energy, burns easily, and neither it nor its waste products are immediately and obviously toxic or deadly.
Answer:
2.271386111 km/s
Explanation:
1321÷60hrs÷60mins×6.19s=2.27km
Momentum and inertia,
Momentum=P. P=MV. M=mass and V=velocity. Mass is related to inertia so inertia=F. F=MA. A=acceleration.
Explanation:
current = velocity/resistance
I = V/R
15/4
current = 3.75A
hope this helps...
