Answer:
The skier's change in velocity is 7.69 meters per second.
Explanation:
The Newton's second law tells force is equal to the change on the linear momentum of a body:
If we approximate the differential 
to 
:
Using that linear momentum is mass times velocity:
Solving for 
:
Both move with constant speed
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I think it is c I'm only in 7th grade but I'm pretty sure that the answer is c
Answer:
a)
b) 
c)
Explanation:
Magnitude of charges 
Distance 
Generally the equation for Net Force is mathematically given by
For First Drawing
For second Drawing
For Third Drawing
