A unit of area often used in measuring land areas is the hectare, defined as 104 m2.
Question:
A unit of area often used in measuring land areas is the hectare, defined as 104 m2. An open-pit coal mine consumes 75 hectares of land, down to a depth of 26 m, each year. What volume of earth, in cubic kilometers, is removed in this time?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 58% (12 reviews)
The volume removed ...View the full answer
Answered By
Joan Gakii
I'm a meticulous professional writer with over five years writing experience. My skill set includes
- Digital Content,
- Interpersonal Communication,
- Web Content and academic Writing,
- Proofreading,
- Editing,
- Project Management, and
- Public Relations.
5.00+
7+ Reviews
12+ Question Solved
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
Question Posted:
Students also viewed these Mechanics questions
-
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 75 tons of coal into each car. The actual...
-
A South American farms 960 hectares of land on which he grows squash, kale, lettuce and beans. Of the total, 680 hectares are suitable for all four vegetables, but the remaining 280 hectares are...
-
The Cumberland Mine is a small mine that extracts coal in central Alberta. Each tonne of coal mined is 40% Grade A coal, 40% Grade B coal, and 20% coal tar. All output is sold immediately to a local...
-
Peppers Lockdown produces keys for homes and cars. As Peppers is planning for next year's production, he decided to implement a high-low system to forecast future costs. With total production of...
-
a. Go to finance.yahoo.com and find the profiles for PepsiCo (PEP) and IBM (IBM) and then look at each firm's annual balance sheet and income statement under "Financials" Calculate the present value...
-
An experiment has been conducted to examine main and interactive effects of factor A (keyboard configuration, 3 levels) and factor B (word processing package, 2 levels). Each cell consists of two...
-
What are the characteristics of the NextGen SCM?
-
1. What type of credit user is Garth? Based on your answer, what is the number one factor that should influence Garth's choice of a credit card? 2. Lindsey insisted that Garth request a free credit...
-
What is the reaction that results to their pH? Following theexample of isopropyl alcohol. Kindly answer each one of them. Thankyou! For example pH value pH Paper Picture Chemical and Its Formula...
-
Richardson Ski Racing (RSR) sells equipment needed for downhill ski racing. One of RSRs products is fencing used on downhill courses. The fence product comes in 150-foot rolls and sells for $215 per...
-
You are to fix dinners for 400 people at a convention of Mexican food fans. Your recipe calls for 2 jalapeno peppers per serving (one serving per person). However, you have only habanero peppers on...
-
(a) A unit of time sometimes used in microscopic physics is the shake. One shake equals 10-8 s. Are there more shakes in a second than there are seconds in a year? (b) Humans have existed for about...
-
A firm sells oil in cans containing 5000 g oil per can and is interested to know whether the mean weight differs significantly from 5000 g at the 5% level, in which case the filling machine has to be...
-
Which simple scheduling concept can be applied to help schedule workers for a service operation with changing staffing requirements throughout the day?
-
What is the official definition of a recession?
-
What is the key difference between real business cycle models and other business cycle models?
-
In each of the following, name the term defined or answer the question. Answers are listed at the bottom. 1. This is the currently used term for a system that schedules, dispatches, tracks, monitors,...
-
What is the role of unanticipated price changes in the new classical model of business cycles?
-
The lines in band A in Figure 17.28 are more closely spaced than those in band B. (a) How many more lines does band A have between points P and S? (b) Describe what happens to the pattern if band B...
-
In July 2013, cnet.com listed the battery life (in hours) and luminous intensity (i. e., screen brightness, in cd/m2) for a sample of tablet computers. We want to know if screen brightness is...
-
Use Table 18.5 to compute the ratio of net worth for the highest income quintile with that of the lowest income quintile. Given the other evidence in this chapter, do you suspect that this ratio has...
-
A 120 V potential difference is applied to a space heater that dissipates 500 W during operation. (a) What is its resistance during operation? (b) At what rate do electrons flow through any cross...
-
How much electrical energy is transferred to thermal energy in 2.00 h by an electrical resistance of 400 when the potential applied across it is 90.0 V?
-
In Figure, R 1 = 6.00 , R 2 = 18.0 , and the ideal battery has emf = 12.0 V. What are the (a) Size and (b) Direction (left or right) of current i 1 ? (c) How much energy is dissipated by all four...
-
A) Translate the following C into RV641 assembly. Be sure to follow the calling (Refer to slide22 of lec6_postZoom.pdf) and comment each line of your assembly. Remember that long long is 64 bits in...
-
Given a Binary Tree, find the maximum sum path from a leaf to root. Input: 1 A Input: 10 -27 4 23 Output: Explanation Following the path 3-1, results in a sum of 4, which is the maximum path sum from...
-
On December 1 , 2 0 1 5 , your company pays $ 2 4 , 0 0 0 for rent on your store that covers the next 6 months. When you paid the cash, you debited Prepaid Rent.. The adjusting journal entry on...
Study smarter with the SolutionInn App