Select the correct answer.
which of the following is an example of kinetic energy?
on a boy resting on a park bench
ob a book sitting on a shelf
oc a rubber band stretched as far as it can go
a swing moving back and forth
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Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

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