EOSC 114 - Fragile Systems Exam Questions and Answers Latest Update Graded A+

EOSC 114 - Fragile Systems Exam Questions and Answers Latest Update Graded A+ the distance 35,000m is equal to - Answers 3.5 x 10^7 m the speed at which wave energy propagates is called the ____ speed - Answers group consider object A with a mass of 10kg and object B with a mass of 20 kg, both moving at a speed of 1m/sec. Which of the following statements of TRUE? - Answers the kinetic energy of Object B is 2X the kinetic energy of object A most disaster scales are - Answers logarithmic the common logarithm of 1,000,000 is - Answers 6 the most abundant element in the Earth's atmosphere is - Answers nitrogen which is MOST dense - Answers 0.1g of granite which statement is true? the most common element in the _____ - Answers earth's crust is oxygen the following are gases present in our atmosphere EXCEPT - Answers silica, SIO2 when twice as much force is exerted to move a mass over the same distance, the work done - Answers is doubled during a 300- day period, 900 earthquakes of magnitude 5 are typically observed. Thus, the return period for a magnitude 5 earthquake is - Answers 1/3 of a day stratification of the earth, ocean, and atmosphere is expected because of the ____ of the materials involves - Answers density considering only this linear projection, you would expect the population (in billions) at year 2040 to be roughly - Answers 9 over the 50-year interval between 1950 and 2000, the towns of Tofino and Port Alberni on Vancouver Island have been hit by 5 tsunami. The Return period (RP) for tsunami in these twos is - Answers 10 years regarding the three phases of matter, which statement is true? - Answers both liquids and gases can change their shape easily. thus are fluids a student with a mass of 50kg walks 5m up the steps for Biology class, another 5m up to the next floor for Natural Disasters class and walks bak down 10m to the ground floor for lunch/ At this point, the student's potential energy is - Answers zero kg-m^2/sec^2 in terms of population growth, the phrase "doubling time" refers - Answers period of time required to double the present population which form of energy is related to the distance an object moves times the force moving it - Answers work the normal crystal shape for ice is - Answers hexagonal which statement is TRUE - Answers strain is the deformation of a solid object the layers of the atmosphere, in order from the Earth's surface upward are - Answers troposphere, stratosphere, mesosphere, thermosphere which statement is FALSE - Answers the Saffir-Simpson scale for hurricanes is based on measuring damage which of the following statements is false? - Answers iron is a major component of the Earth's core but does NOT occur on the Earth's crust Carbon-12 and carbon-14 are isotopes of each other because they both contain the same number of - Answers protons the international system standard unit for time is - Answers second due to global warming, ice is disappearing in the Canadian Arctic. Which process would consumer the MOST energy - Answers subliming (evaporating) 20 trillion kg of ice into vapor which one of the following poses a greater risk - Answers a hazard that happens once per month, causing $1000 damage the count of all protons and neutrons in the nucleus of an atom is called the - Answers atomic mass number suppose that tornadoes of magnitude 3 on the Fujita scale occur roughly 6 times during the past 12 years of records in Canada. The return period (in years) for this category tornado is - Answers 2 the form of energy common to all the natural disasters to be studied in this course is - Answers kinetic energy if you double the force applied on an object, the amount of work - Answers doubles which statement is true - Answers the change in sensible heat is proportional to the change in temperature density is important because - Answers it creates stratification in matierals an object that breaks when stresses are applied is called - Answers a brittle the three greatest chemical elemental components of the Earth's crust are - Answers Oxygen, Silicon, alumminum when atoms in molecules line up in a regular lattice, the result is called - Answers a crystal which of the following is true - Answers the ability of solids to permanently change shape or deform when forced is called plastic suppose 3 meteorite impact events of magnitude 10 on the Torino scale occurred within the past 600,000 years. The return period (in years) for such disaster events is - Answers 200,000 which statement is true - Answers many disasters involve the gradual build-up and sudden release of energy consider object A with a mass of 10kg and object B with a mass of 20kg, both moving at a speed of 1m/sec. Which of the following statements is tr - Answers the kinetic energy of object B is 2x the kinetic energy of object a which statement is false - Answers the SI standard unit of mass is the gram which statement if true - Answers natural disasters often involve energy coversations which statement if false regarding water - Answers water has the highest density of all materials on the surface of the earth consider two countries, each with a population of 1 million in the year 2000. the annual population growth rate of country X is 1% while that of country Y is 2%. Assuming that the growth rates remain unchanged, which statement is false? - Answers the doubling time for the population of country X is estimated as 1 million divided by 1% for a situation with exponential population growth at a rate of 7% per year, the population doubling time is - Answers 10 years objects of low density relative to the fluid they are immersed in will generally - Answers rise due to buoyancy the most common element in the earth's crust is - Answers oxygen gravity - Answers affects potential energy because you need to do work against it to list objects which natural cycle is most closely related to landslides - Answers rock a landslide accelerates downhill. The debris continues across a level valley, and rises part way up the mountains on the opposite side of the valley. Finally, the debris stops. During this sequence of events - Answers all the initial potential energy is converted into other forms of energy if a major disaster such as a big earthquake actually happens in Vancouver, which is likely to be true? - Answers there will be a lot of confusion and insufficient information to make appropriate decisions