7. A 68kg cart that was originally at rest starts moving once an 65.5 N force is applied. After 10 seconds, the cart has achieved a velocity of +5.5 m/s. If the same force is applied for the duration of the time, then calculate the magnitude of the cart's new momentum. A. 0.00 kg*m/s B. 55 kg*m/s C. 360 kg*m/s D. 374 kg*m/s​

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