A10-kg object is pushed across a rough surface. it begins at rest and accelerates to a speed of 4 m/s in a distance of 5m. which fact(s) support the conclusion that the object experiences an unbalanced force

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

i got you i did it ya know what it is just needing to fill this in for a quick task!