What are two primary contributors to urban sprawl? As a summarize, it has done many studies about causes of urban sprawl that the most important factors are population and income growth, low price of land and access to appropriate housing, some advantages such as low price of transportation systems, promotion of commuting network, new centers […]
Which ores is rich in copper?
Which ores is rich in copper? List of copper ores Name Formula % Copper when pure Chalcopyrite CuFeS2 34.5 Chalcocite Cu2S 79.8 Covellite CuS 66.5 Bornite 2Cu2S·CuS·FeS 63.3 What are the important ores of copper? The main copper sulphide minerals are chalcopyrite (CuFeS2) chalcocite (Cu2S), covellite (CuS), bornite (Cu5FeS4), tetrahedrite ((Cu,Fe)12Sb4S13) and enargite (Cu3AsS4). The […]
How hot is the water from Old Faithful?
How hot is the water from Old Faithful? Deep within the plumbing system of Old Faithful, water temperatures exceed 400°F (204°C). At only 45 feet (14 m) inside Old Faithful’s throat, the water temperature is 244°F (117°C). What time of day does Old Faithful erupt? Old Faithful is predicted to erupt at 5:09pm ± 10 […]
Why do two balls one falling vertically and the other horizontally land at the same time?
Why do two balls one falling vertically and the other horizontally land at the same time? The horizontal and vertical motions of a projectile are independent of each other. So two objects falling under the influence of gravity from the same height will reach the ground simultaneously, regardless of their horizontal velocities. What will happen […]
What hormones cause anxiety?
What hormones cause anxiety? For some anxious people, their moods may be caused by an abundance of stress hormones — most notably, adrenaline and cortisol. These hormones tell our bodies there’s something scary on the horizon, and we need to run away. What are the symptoms of too much cortisol? What happens if I have […]
What is the world record paper plane?
What is the world record paper plane? The world record for longest throw of a paper airplane has been broken. Joe Ayoob throws a John Collins design, officially breaking the world record by 19 feet, 6 inches. The new world record, once verified by Guinness, will be 69.14 meters (226 feet, 10 inches). How do […]
What will be the effective focal length of two lenses kept in contact?
What will be the effective focal length of two lenses kept in contact? When the distance of separation between the two lenses (d) if equal to the sum of the individual focal lengths (f1 + f2), the combined focal length is infinite. This makes the refracted light rays parallel to each other. What is a […]
What are some examples of proportional relationships?
What are some examples of proportional relationships? Representing Proportional Relationships with Equations For example, if each square foot of carpet costs $1.50, then the cost of the carpet is proportional to the number of square feet. The constant of proportionality in this situation is 1.5. What makes a proportional relationship? Proportional relationships are relationships between […]