A small cart with a mass of 3.0 kg is accelerated from rest and obtains a final velocity of 24 m/s, East in 8.0 s. If friction is neglected, what net force is applied. a
24 N
b
8.0 N
c
72 N
d
9.0 N

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

The rules of engagement (roe) working group is often used to (select all that apply.)

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³