R=U/I so
U=RxI
U= 10 x 42
U= 420 volts
The transfer of energy by electromagnetic waves is called electromagnetic radiation
Answer:
Measurement is called the process of finding exact quantity of a substances.
Answer:
The slope of the graph is what you need. That tells you the speed not the velocity. In order to find the velocity you would also need to know the direction of the motion.
it would be..... C
sorry if I am wrong I tryed to think, At least I try!