3. A small object slides along the frictionless loop-the-loop with a diameter of D. At the top of
the loop, the object remained in contact with the
loop. The weight of the object at the bottom is 6mg.

I can't understand it.​

Describe the function of the endomembrane system? what organelles are involved?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.