At what rate is thermal energy being generated in the 2R-resistor when  = 12 V and R = 3.0 ? a. 12 W
b. 24 W
c. 6.0 W
d. 3.0 W
e. 1.5 W

Me plz i don’t know the charges on each of these

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up