-Temperature: kelvin (K) -Amount of substance: mole (mol) -Electric current: ampere (A) -Derived units: Constructed from combinations of base units; radians = m/m = 1 -Force: newton (N) = kg*(m/s2 -Volume = m3 -Impulse = N*s -Momentum = kg*(m/s) -Angular momentum = kg*(m2 -Angular acceleration = radian/s2 -Angular velocity = radian/s -Centripetal acceleration = kg*[(m/s)2 -Dimensional analysis: place all units in length (L) and time (T) -d=vt+2/3at2 = L= + ( ) = L=L+L 2=v2+5ad
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ZHAO Saisai) will be merged with the session at SC L1 HW 4 is launched today and due next Thursday (Oct. 17‚ 2013) Reminder: HW 3 is due this Thursday Review 1. The Law of Conservation of Linear Momentum: Pi = Pf Pxi = Pxf Pyi = Pyf Pzi = Pzf Review 2. Two-body collision process: Linear momentum is conserved for a closed and isolated two-body system during collision because there is no net external force. Total kinetic energy of the system of two colliding bodies may or
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tools that are required to solve typical convection heat transfer problems are presented. As engineers‚ we are most often interested in the interaction between a fluid and a surface; specifically the transport of momentum and energy between the surface and the fluid. The transport of momentum is related to the force exerted on the surface and it is
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the MAXIMUM K.E. of the combination)? KE = PE= (conservation of energy -- no calculation required!) a. 50 joules b. 5 joules c. 0.5 joules d. 0.05 joules 3. What was the velocity of the pendulum (bullet-block combination) "immediately" after the bullet became imbedded (i.e. when its K.E. was maximum)? KE = 1 mv2 2 a. 0.5 m/sec v2 = 2KE m b. 1.0 m/sec v= 2KE = m c. 1.5 m/sec d. 2.0 m/s 4. What was the momentum of the pendulum (bullet-block combination) "immediately"
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important. With support from tourists‚ local services and producers can compete with larger‚ foreign companies and local families can support themselves. Besides all these‚ the revenue produced from tourism helps and encourages governments to fund conservation projects and training programs. Saving the environment around you and preserving the natural luxuries and forest life‚ that’s what eco-tourism is all about. Whether it’s about a nature camp or organizing trekking trips towards the unspoilt
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ideal fluids 1.8 Laminar and turbulent flow 2. Continuity (mass conservation) 2.1 Flow rate 2.2 The steady continuity equation 2.3 Unsteady continuity equation 3. The Equation of Motion 3.1 Forms of the equation of motion 3.2 Fluid acceleration 3.3 Bernoulli’s equation 3.4 Application to flow measurement 3.5 Other applications (flow through an orifice; tank-emptying) 4. The Momentum Principle 4.1 Steady-flow momentum principle 4.2 Applications (pipe contractions; pipe bends; jets)
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Physics is more around us than one would think. Physics is in all of the things you love to do. Take golf as an example there is velocity in a golf swing. Velocity is the speed of something in a given object and the speed of your club in the direction you are aiming is velocity. Also there is gravitational potential energy in the top of your backswing to cause you to pull the club downward. Kinetic energy is also in golf‚ During your backswing kinetic energy is causing your club to go up and in your
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My Solar System Name Period Introduction: Every physics student has had a lot of experience with the force of gravity. Unfortunately‚ this experience is limited to the interaction between a very large object‚ the Earth‚ and much smaller objects that are very close to it. This is a very limited range of the possibilities. Software simulations of gravity allow physics students to explore a variety of other gravitational interactions between objects. These activities are designed to be used
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3. The force acting on the system either have a constant orientation or are oriented parallel to the direction along which the point of application moves. THEORICAL PRINCIPLE: Newton’s second law of motion states that the rate of change of momentum of a body directly proportional to the force acting on it and takes place in the direction of the applied force. The mathematical expression of Newton’s second law of motion is F (mv-mu)/t F m(v-u)/t F ma Where m is the mass of
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Physics 110 – Introductory Physics Final exam Name:____________________ June 27 – June29 Instruction: Please answer the 12 questions in the space provided. You the back sparingly. Also use labeled diagrams and equations where appropriate. (Note if you’re looking in the text for an answer and you see a figure with the answer you find‚ you’ll probably want to include a figure with your explanation. Leaving out a figure can leave to an incomplete answer‚ but including one without linking it to
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