The heaviest planet in the world is Jupiter!
Answer: 
Explanation:
Mary applies a force of 73 N to create an acceleration of 
When She increases force to 84 N, it creates an acceleration of 
Friction opposes the motion of box

Subtract (i) from (ii)

Therefore friction is

Here, friction is kinetic friction which is given by

Answer:
it is a sad day for rain to fall. Ill answer your question later
Explanation:
Explanation:
gas vibrate and move freely at high speeds, liquid vibrate, move about and slide past each other. solid vibrate (jiggle) but generally do not move from place to place