Author Question: Planets wobble in their orbits due to A) the gravitational attraction to other planets. B) ... (Read 37 times)

tichca · **on:** Jul 29, 2018

Planets wobble in their orbits due to

A) the gravitational attraction to other planets.
B) uncertainties in the inverse-square law.
C) elliptical-orbit quirks.
D) all of the above
E) none of the above

Question 2

An athlete competing in the long jump leaves the ground with a speed of 9.14 m/s at an angle of 55 with the vertical. What is the length of the athlete's jump if air is of no significance?

A) 0.88 m
B) 8.0 m
C) 12 m
D) 17 m
E) 4.0 m