07.07.2020  Author: admin   Small Wooden Boat Plans
Lesson More problems on upstream and downstream round trips
UPSTREAM: This refers to anything having to do with the exploration and production of oil and natural gas. Geologic surveys and any information gathering used to locate specific areas where minerals are likely to be found is commonly called �exploration.� The term �upstream� also includes the steps involved in the actual drilling and bringing oil and natural gas resources to the surface, referred to as �production�. MIDSTREAM: The �midstream� segment of the oil and natural gas industry refers to anything required to transport and store crude oil and natural Xfinity Stream Problems Today Tv gas before they are refined and proc. Mathematics � 3 months ago. Algebra Help! upstream and downstream word problems? Evelyn and Meridith decided to kayak 1 mile up and then back in the Humboldt channel. The rate of the water flowing in the channel was 2 miles per hour.� The downstream rate will have an overall rate faster than the boat in still water since the flow of the water speeds them up: R = b + w (boat and water rate). Then the upstream rate is the same except the water rate slows down the boat, so: r = b - w. If we substitute those back into our two base equations, we now have: d = rt and D = RT. d = (b - w)t and D = (b + w)T. Now that we have the equations set up, let's see what the problem says. The distance is 1 mile from the start, then back to the beginning, so: d = D = 1. If you address problems upstream from where they appear, you look for their origin and change something there so the problems will not occur. If you address them downstream, you look for their effects and deal with those effects. Example problem: High rate of warranty claims for failed drive motors. Upstream solution: Change the drive motor so it won't fail as often. Downstream solution: Get a lot of replacement drive motors and hire technicians to install them.

The rate of the water flowing in the channel was 2 miles per hour. The total time it took them to kayak up and back was 3 hours and 40 minutes. Assuming they were padding their kayak at a fairly consistent rate find the rate Evelyn and Meridith were paddling? The downstream rate will have an overall rate faster than the boat in still water since the flow of the water speeds them up:.

The total time ws 3 hours and 40 min. We need this in terms of hours so the minutes become a fraction of an hour to get:. What's left is a system of two equations and two unknowns. I'll start by solving the first equation for t in terms of b:. This is what the question asked for.

If we wanted to know the time we could solve for "t" and "T", but we've not been asked to do that, so I'll leave this at that. Trending News. Man defies virus protocol at Disney resort, gets arrested. Jennifer Connelly poster that caught everyone's eye.

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Cuffed suspect commandeers patrol car; chase ensues. Evelyn and Meridith decided to kayak 1 mile up and then back in the Humboldt channel. Answer Save. Alvin Lv 4. Favorite Answer. Pramod Kumar Lv 7. Daniel H Lv 5. Total time 3. Still have questions? Get your answers by asking now.


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