Answer:
Explanation:
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It is is real because potential energy is stored inside gravitational energy.
Answer: 477W
Explanation:
Given the following :
Mass (m) = 7.3kg
Initial Velocity (u) = 0
Final velocity (v) = 14m/s
time (t) = 1.5s
Power = workdone (W) / time (t)
The workdone can be calculated as the change in kinetic energy (KE) :
Recall ;
KE = 0.5mv^2
Therefore, change in KE is given by:
0.5mv^2 - 0.5mu^2
Change in KE = 0.5(7.3)(14^2) - 0.5(7.3)(0^2)
Change in KE = 715.4J
Therefore ;
Average power = Workdone / time
Workdone = change in KE = 715.4N
Average power = 715.4 / 1.5
Average power = 476.93333 W
= 477W
Each station has a circle made of possible epicenters. When you have atleast 3 epicenters you can narrow it down to 1 epicenter and there's that final point. Each station can detect how far away the epicenter was (by transverve body waves). When you only have one seismic station it's impossible to locate an earthquake epicenter.
Answer:
Explanation:
Comment
Though it is easier to use the origin as one of the points to find the rise over the run, doing the question the more general way will help you with lines that do not go through the origin.
So pick any other two points.
P1(6 , 0.60)
P2(8 , 1.20)
Rise / Run = (y2 - y1)/(x2 - x1)
y2 = 1.20
y1 = 0.90
x2 = 8
x1 = 6
Rise over Run = (1.2 - 0.9) / (8 - 6)
Rise over run = 0.3 / 2
Technically stated in language, this is the answer. For every 2 pencils the cost goes up 0.3 cents. Carpenters would say it this way.
However in physics it can also be expressed as 0.15 dollars per pencil which is the cost per pencil.
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Just to show that you will get the same answer using the origin you can do it this way.
y2 = 0.6
y1 = 0
x2 = 4
x1 = 0
rise over run = (0.6 - 0)/ (4 - 0) = 0.6/4 = 0.15 / 1