The components of vector A and vector B are: Ax = +7.6 Bx = -3.8
Ay = -9.2 By = -4.6
Which equation describes the relationship between the two rectors
OB = 2
OB =-0.52
OB = . -(2.0
OB = A = (3.8.-46)

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

Heterogeneous mixture with larger particles that never settle is

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in