5. A 10 kg object is hanging vertically by a rope attached to a ceiling. Draw a force diagram for the object.
Write a vertical Fnet equation for the box.
Determine the tension of the rope.

6. A 25 kg box is lifted from rest off of the floor by a 275 Newton upward force.
Draw a force diagram for the box.
Write a vertical Fnet equation for the box.
What is the net force acting on the box?

7. The net force required to accelerate a 35 kg bucket out of a well is 52.5 N
Draw a force diagram for the bucket.
Write a vertical Fnet equation for the bucket.
Determine the force of tension on the bucket.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis

Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv