Britain and france signed an entente and became the
a. central forces.
c. central powers.
b. allied forces.
d. axis powers.

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z