The fastest production car can accelerate from 0 km/hr to 230 km/hr in 10.2 seconds over the distance of 0.400 km. What is the average speed of the car in km/s over .400 km? A-0.024 km/hr
B-0.039 km/hr
C-0.392 km/hr
D-230 km/hr​

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction