Which of the following is a valid conclusion based on the venn diagram?

a.
some items in c are also members of b.
b.
no items in a are members of b.
c.
if an item is not in c, the item is in b.
d.
all items in a are also in b.

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?