What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?
A. combustion
B. decomposition
C. single replacement
D. synthesis

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

the components of a vector are the parts of the vectors that are to each other.

b perpendicular