Using the definition of the scalar product, find the angles between the following pairs of vectors. (a) a 2 k and b - 31 -51 -5 k (b) a k and b -4i -4 i+2 k (c) a-4i- 3j-5 k and b 4 i

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.