W2: A rightward force of 82.7 N is applied to a 5.03 kg object to accelerate it to the right. The friction force between the object and the surface is 27.3 N.

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