Four forces are acting on an object as shown in the diagram. If the object is moving with a
constant velocity, the magnitude of force F must
be
A. ON
30 N
B. 20N
40 N+
F
C. 100 N
D. 40N

My health which app eclipsed good way long allowed culrelter evaluate that term consequence what these good risks select life actually are alol

Ke reqd to move from 0 to 50 will be proportional to 50x50 or 2500. this is equal to w.  to change vel from 50 to 150 you need energy prop to 22500 - 2500 = 20,000. this corresponds to 8w.  best answer is a) . work reqd is prop to velocity squared. 

In psychology, a person who thinks that upbringing and environment are much more important than genes is more on the side of in the nature versus nurture debate.the answer in the blank is letter b which is nature. they are more on the nature and environmental side than the genetic side of species.