Uranus’s orbit did not appear to behave according to newton’s and kepler's laws of motion and gravity. the most likely culprit for uranus’s misbehaving orbit was the gravitational influence of another planet. using newton’s and kepler's laws, astronomers were able to calculate exactly where they would expect this still-undiscovered planet to be. when telescopes were pointed at this position, neptune was seen. what does this imply? a. newton’s and kepler's laws have been verified as absolute truth. b. newton’s and kepler's laws have been falsified. c. newton’s and kepler's laws have been verified by yet another test, so we should use them with high confidence until and unless they are falsified by future tests. d. newton’s and kepler's laws have been verified by yet another test, but there is still not enough evidence for them, so they should be treated with cautious skepticism.

he made 11 calls in one day

russian is not my first language, so i'm afraid i can't write out an answer in russian, but hopefully you can find a way to do so. here's my best translation of the problem: you're given a plot of a particle's position in one-dimensional space over time, and you're asked to find either the total distance traveled by the particle after 6 seconds had elapsed, or the total displacement of the particle after 6 seconds.

if you want the total distance traveled, you would first need to determine the particle's velocity as a function of time, then integrate that over the 6-second interval. we know the position function is quadratic with roots at 0 and 6, so we have

where is unknown. because the position is parabolic, there is symmetry about the midpoint at , and we know that

so that the position function is

which means the velocity is

then the total distance traveled is

so the total distance traveled is 20 m.

on the other hand, if you want to find displacement: the particle starts at and ends at , so its displacement is 0.

i think its d if wrong im sorry