To find <em>Speed </em>you divide distance by time.
Reasoning:
Displacement is the change in an object's position from the origin.
To find Acceleration you use the equation a=v^2/r
To find Velocity you divide the distance by the time it takes to travel that distance, then you add your direction to it.
<em>To find speed you use distance is over time</em>
I believe the answer would be "Different Colors," hope this helps :)
1:1 is the ratio of the gravitational force that earth exerts on the sun in the winter and the force that it exerts in the summer because it is independent of temperature.
F=GMm/R²
Any action that aims to maintain, alter, or deform a body's motion is considered a force in mechanics. In his Principia Mathematica, Isaac Newton frequently used his three laws of motion to demonstrate the concept of force (1687).
According to Newton's first law, a body will remain in either its resting or equally moving condition along a straight path in the absence of an external force. The second law states that when an external force acts on a body, the body accelerates (changes velocity) in the direction of the force.
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Answer:
Explanation:
Given
Initial angular velocity 
Initial speed 
Coefficient of kinetic friction 
As No external torque is applied therefore angular momentum is conserved


For rolling without slipping 



acceleration provided by surface



Speed of ball after 
using 
v=final velocity
u=initial velocity



thus 

Conduction because humans are conductors, so the charge transferred to him.