Answer:
Force is an external agency that changes or tries to change the position of the body.
Its SI unit is Newton (N).
So the problem ask to calculate the magnitude acceleration of the skier skiing down a slope of 50 meters long in 5 seconds. So base on that fact, the acceleration would be equals to 4 meters/seconds^2. I hope you are satisfied with my answer and feel free to ask for more
Answer:
Explanation:
Given
Voltage 
Power 
mass of water 
initial temperature of water 
Resistance R is given by
Heat required to raise water temperature to 
where 
specific heat of water
time required is
The right answer is A. I'm one lever and two wedges
Hope this helps
