If an air bag changes a 60 kg person's speed from 40.0 m/s to 0.0 m/s, what impulse must act on the person? A.) 2400 kg. m/s

B.) 1.5 kg. m/s

C.) 1500 kg m/s

D.) 0.67 kg m/s

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

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

Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above