3. A cube with sides 4 m in length has a volume of 64 m². If each side of the cube is doubled in length, what is the ratio of the new volume
to the old volume?
a 5:1
b 2:1
C 8.1

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?

The substances that are necessary for producing of certain hormones and that store and transport vitamins