thickness of the boundary layer is small compared to the dimensions of the object over which the potential flow is occurring‚ we can proceed as follows to analyze the total (potential flow + boundary layer flow) problem: i). First‚ determine the velocities and pressure distribution in the potential flow region‚ assuming that the potential flow extends all the way to any solid surfaces present (ie. neglecting the presence of the boundary layer). ii). Solve the flow inside the boundary layer using the
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long questions Remember to photocopy 4 pages onto 1 sheet by going A3→A4 and using back to back on the photocopier 2012 - 2002 Solutions to ordinary level questions begin on page 11 Solutions to higher level questions begin on page 19 Velocity 2010 Question 12 (a) [Higher Level] (i) A student holds a motion sensor attached to a data-logger and its calculator. List the instructions you should give the student so that the calculator will display the graph shown in Fig 1. (ii)
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opposite end acquires almost all of the velocity of the first ball. Tonometry can be thought of in a similar manner. The rod is the first ball that exerts an initial velocity on the eyelid (the balls in the middle of the cradle example)‚ but the eyelid does not move. The velocity is transferred to the cornea (final ball) where it bends (ball moves backwards) and then bends in the opposite direction (ball moves back towards middle balls)‚ transferring the velocity back to the rod‚ where the captured pressure
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o To determine how the surface area of a coffee filter affects the average velocity of the coffee filter from the same height. • Variables: o Independent Variable ▪ Surface area- The area of the surface after the folds have been made o Dependent Variable ▪ The Average velocity- calculated by measuring the time and dividing by the distance to find the Average Velocity o Controls ▪ Coffee Filter ▪ Mass of
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the force. Forces onlyexist as a result of an interaction. Velocity‚ Acceleration‚ Momentum‚ and Impulse Velocity‚ in physics‚ is a vector quantity (it has both magnitude and direction)‚ and is the time rate of change of position (of an object). However‚ quite often when you read ‘velocity’‚ what is meant is speed‚ the magnitude of the velocity vector (speed is a scalar quantity‚ it has only magnitude). For example: escape velocity (the minimum speed an object needs to escape from a planet‚ say);
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methods. High Reynolds number Newtonian jet contracts downstream of the channel due to the emergence of the normal stress as soon as the fluid detaches itself from the channel wall. The effect of inertia on the free surface height and free surface velocity and the flow downstream has been explored. Results obtained are compared with the analytical work of the relevant problem. The computational domain includes the upstream and downstream near the channel exit. Fully developed Poiseuille
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flow If the velocity of the fluid is the same in magnitude and direction at every point in the fluid the flow is said to be uniform. Non-uniform flow A non-uniform flow is one where the velocities at different points at a given instant are not the same. Every fluid that flows near a solid boundary will be non-uniform because the fluid at the boundary takes the velocity of the boundary which is usually zero. Steady flow A steady flow is one in which the conditions (i.e.‚ velocity‚ pressure
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Objective Investigate the velocity immediately after the collision. Givens SUV: 3000 kg; Accleration of SUV brake locked: 2 m/s 2 Subaru: 2000 kg; Accleration of Subaru braked locked : 3 m/s 2 The initial velocity of Subaru is 0 m/s speed limit: 35 km/hr distance traveled after collision: 22 m unknown the initial velocity after collision theory and equation Elasticity of collision Kinematics 1 a • d = V f 2 − V i 2 2 assumption the final velocity after they collide and traveled 22 m is 0
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determinants like velocity of the released ball‚ position of the athlete and spinning capabilities‚
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which would have to lock to the floor‚ the floor would have to lock to the ground‚ and the ground to the Earth. This would be an almost impossible task. Questions: 1.) According to Graphs 1-3 (displacement vs. time) all 3 graphs indicate that the velocities were comparatively constant in both the forward and backward direction. This was true because the slope of the line was
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