7. kepler’s third law of orbital motion states that you can approximate the period p (in earth years) it takes a planet to complete one orbit of the sun using the function , where d is the distance (in astronomical units, au) from the planet to the sun. how many earth years would it take for a planet that is 6.76 au from the sun? 15.23
17.58
154.46
3.58

Complete the sentence to describe how light behaves as it relates to its nature (waves or particles). light travels as blank and interacts with matter as blank

Most of the volume of an atom is occupied by the

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