both work and energy have the same units‚ which is joule (J) in the SI system and erg in the CGS system. Energy is also a scalar quantity. Energy exists in many forms. Examples Mechanical energy which is either in the form of potential energy or kinetic energy or a combination of the both‚ electrical energy‚ light energy‚ thermal energy‚ nuclear energy and sound energy etc. Potential energy is the energy possessed by a body by virtue of its position or state. It is further classified into gravitational
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Collisions in 2-Dimensions (Glancing Collisions) Inelastic Collisions Collisions in which kinetic energy is not conserved. Initial kinetic energy is transformed into other types of energy (thermal‚ potential etc.) Total final kinetic energy is less than the total initial kinetic energy. If two objects stick together as a result of the collision‚ the collisions is inelastic. Even though the kinetic energy is not conserved‚ the total energy is conserved. 1-Dimensional Inelastic Collisions
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A COMPARATIVE STUDY ON THE (NITROGEN PHOSPHORUS POTASSIUM) NPK CONTENT OF VERMICAST USING DIFFERENT FEEDING MEDIA In Partial Fulfillment of Science Investigatory Project in Research II Submitted to Mr. Julius I. Centina Digos City National High School Digos City SY 2008-2009 Proponents: Angoy‚ Mel Angelic M. Esma‚ Romelyn A. Paciones‚ Lourenz Aubrey Marchelle A. Patac‚ Jessa Kristy S. Segovia‚ Demelyn Marie G. January 2009 INTRODUCTION Background of the Study In our
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Core Module 1: The Chemical Earth Contextual Outline The Earth includes a clearly identifiable biosphere‚ lithosphere‚ hydrosphere and atmosphere. All of these are mixtures of thousands of substances and the use of this pool of resources requires the separation of useful substances. The processes of separation will be determined by the physical and chemical properties of the substances. In order to use the Earth’s resources effectively and efficiently‚ it is necessary to understand the properties
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proportional to what power of time? 3. When kinetic energy of a body is increased by 300%‚ its momentum increases by what %? 4. If the linear momentum of a body is increased by 50%‚its kinetic energy is increased by what %? 5. A mass m covers a certain distance s under the action of a constant force‚starting from rest. The kinetic energy acquired by it depends on what power of its mass? 6. At time t=0‚a particle starts moving along the x-axis. If its kinetic energy increases uniformly with time
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conservation of momentum in collisions using two bodies. We also calculated the amount of kinetic energy in elastic and inelastic collisions before and after the collision. Introduction: When bodies collide with each other‚ the total momentum p = mv‚ is always conserved regardless of the type of collision provided no external forces are present. There are two types of collisions. In an elastic collision‚ both the kinetic energy and the momentum are conserved. An inelastic collision is one in which only
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What water bottle-designed car will travel the fastest? There are many factors that are important in determining the answer to this question. One is how much kinetic energy is needed to push the water bottle car forward. Also‚ Newton’s third law of motion tells how the air can push the car forward based on the force that the air from the balloon pushes backwards. Aerodynamics helps clarify how the air moves over the car and reduces the drag of the car. Overall‚ all of these factors play a part in
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Data Table 1: Flat board Flat Board Force of Kinetic Friction‚ N Force of Static Friction‚ N Trial 1 Trial 2 Trial 3 Average Mass of block: Kg Weight N Data Table 2: Flat Board - Block Sideways Flat Board – Block Sideways Force of Kinetic Friction‚ N Force of Static Friction‚ N Trial 1 Trial 2 Trial 3 Average Data Table 3: Different Surfaces Surfaces Tried: Glass Surface Force of Kinetic Friction Force of Static Friction Trial 1 Trial
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Relationship between Kinetic Energy of a dropped object impacting water and height of its resulting wave An Investigatory Project Presented to Mr. De Leon As a Final Requirement in Science and Technology IV By: Ingrid Garcia Rosette Dungca Rochelle Canlas March 2013 Abstract The Relationship between Kinetic Energy of
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polychlorinated biphenyl‚ halogenated hydrocarbons and then they metabolize these pollutants by degrading them to a non-toxic substance. This converted form can even be used up by the plant and their associated microbial units as a natural source of carbon‚ phosphorus and nitrogen. And in some rare cases some plants can
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