As the population in a small town grows, a new water treatment plant is built. The plant is built on a local river where it can
release treated water. The treated water is released downriver from the town. The town also gets its drinking water from further up the river.
How might the new treatment plant affect the ecosystem?
Treated water from the plant would affect communities downriver.
Treated water from the plant would affect communities upriver.
Treated water would affect this growing city’s drinking water.
How might the new treatment plant affect the ecosystem?
Treated water from the plant would affect communities downriver.
Treated water from the plant would affect communities upriver.
Treated water would affect this growing city’s drinking water.
2 answers:
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The vectors adition we can find the magnitude of the force applied by the other astronaut is 11.25 N in the y direction
Parameters given
- Force of an astronaut Fₓ = 42 N
- Angle θ = 15º
To find
- Force another astronaut
The force is a vector magnitude for which the addition of vectors must be used, a very efficient method to perform this sum is to add the components of each vector and devise constructing the resulting vector using trigonometry and the Pythagorean theorem.
Let's use trigonometry to find the other force
tan θ =
F_ y = Fₓ tan θ
let's calculate
F_y = 42 tan 15
F_y = 11.25 N
Using the summation of vectors we can find the magnitude of the force applied by the other astronaut is 11.25 N in the y direction
Learn more about vector addition here: