Use the factorial operation to evaluate 4!. 4 x 3 x 2 x 1 4 + 3 + 2 + 1 4.321 4 - 3 - 2 - 1

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

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?