\large KE=\frac{1}{2}\cdot m\cdot v^2 \large E_{Total}=GPE+KE \large GPE=m\cdot g\cdot h \large g=10\frac{m}{s^2}

answer: the direction of the wind is expressed as the direction from which the wind is blowing. for example, easterly winds blow from east to west, while westerly winds blow from west to east.

explanation:

no. dot product   =0 when vecs at right angles

see earlier answer

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered