A force of 100 newtons is used to move an object a distance of 15 meters with a power of 25 watts. Find thework done and the time it takes to do the work.
Answers
work is distance * force so 15*100=1500
and to find time you know power = diastance * force / time
so 25=15*100/t
25=1500/t
25/1500=t
.016=time
Final answer:
The work done is 1500 Joules and the time required to do the work is 60 seconds.
Explanation:
The subject at hand is related to concepts in physics, specifically work and power.
To find the work done, we use the formula Work = Force x Distance. Substituting the given values:
Work = 100 Newtons x 15 meters = 1500 Joules
To find the time required to do the work, we use the formula Power = Work / Time. Substituting the given values and rearranging the formula to solve for Time gives us:
Time = Work / Power = 1500 Joules / 25 Watts = 60 Seconds
Learn more about Work and Power here:
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Answer:
c = 13.5 m
Explanation:
from the attached diagram, we can apply the cosine rule to get the resultant displacement (c) where
c =
- from the diagram β = 55 degrees because they are alternate angles
θ + β = 180 (sum of angles on a straight line )
θ + 55 = 180
θ = 180 - 55
θ = 125 degrees
- c =
c =
c =
c = 13.5 m