When a hammer strikes a nail, the nail A. exerts balanced forces that helps it from moving
B. exerts balanced forces that helps it from moving
C. exerts an unbalanced force that changes its velocity.
D. exerts an equal and opposite force back on the hammer.

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

Aspecified volume of space contains an electric field for which the magnitude is given by e=e0cos(ωt). suppose that e0 = 20 v/m and ω = 1.0 × 107 s−1. part a what is the maximum displacement current through a 0.80 m2 cross-sectional area of this volume? express your answer with the appropriate units. idisp,max i d i s p , m a x = nothing nothing request answer part b how would this area have to be oriented relative to the electric field to get this maximum displacement current?

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false