TEST QUESTION PLEASE HELP A body is moving through a turn with a radius of 2.5 m with a period of 3.5π. What are the angular velocity, the velocity, the frequency and the centripetal acceleration?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror'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

Element with 3protons and 5neutrons