1) A The 78g
2) C Push on the wagon in the opposite direction as Jack with a force that is the same as Jack is applying.
False , inertia is the tendency of a object to not change their state. I have no idea how the orbit around the sun got mixed up in there ....
If the box is moving at constant velocity, net force must be zero, so:
F + fr = 0
fr = -F
<u>fr = -40 N</u>
Answer:
because only two electrons can fit in the first orbit around the nucleus, and each period on the table is organized by number of orbits
