<em>A bicycle and rideer travel along a road. the true about the sentence is: a. the bicycle and the rider undergo translation. The rider moving because you have to push the pedals and make the bike moves too.</em>
Answer:
0.41
Explanation:
A 49 N block has a mass of 5 kg:
49/9.8
A horizontal force of 50 N giving it an acceleration of 6 m/s^2 means that 30 N is taken up by the acceleration
This leaves 20 N to take care for friction. so the coefficient of friction is:
20/49 = 0.41.
Explanation:
Center of gravity , Let center of rod is origin
= 
=15.71cm from the center of rod
Answer:
it grabs unto soil and keeps it clamped together it prevents this makes the soil harder to wash away
I don't personally know the answer, but this article should help!
http://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-a-black-hole-58.html