Answer:
B. Globular clusters
are scattered throughout the galactic halo that surrounds the Milky Way.
Explanation:
According to Ohm's law for a portion of the circuit we have:
U=RI=>I=U/R=9/4=2.25 A
Between both solid and gases, should be liquid.
Answer:

Explanation:
Given:
mass, 
time, 
velocity, 
coefficient of kinetic friction between wheels & pavement, 
According to first condition,



According to second condition,
<u>Magnitude of frictional force (which acts opposite to the direction of motion):</u>

where N is the normal reaction.


Now, the impulsive force on the wall if the brakes were applied during the crash:



Answer:
agree because there is always a force that causes motion..