An old theory about the position of planets and the sun in the galaxy has been replaced by a new theory. which of these statements is correct about the two theories?
the new theory is accepted because its explanations became a law.
the new theory is an explanation accepted worldwide.
the old theory was rejected because it was a description.
the old theory would be again accepted by a few scientists if it becomes a law.

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

Atomic nuclei of almost all elements consist of

Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?