2+e2xa+e-2xa=(exa+e-xa)2 L=0b(exa+e-xa)2 dx L=0bexa+e-xa dx L=aexa-ae-xa0b L=aeba-ae-ba-(ae0a-ae-0a) L=aeba-ae-ba-(a-a) L=aeba-ae-ba L=a(eba-e-ba) ∴ The length of the arc in terms of a and b is L=aeba-e-ba Question 2 mdvdt=mg-kv2 Where: m=mass of body v=velocity g=acceleration due to gravity (9.8m/s) k=constant related to size and shape of object mdvdt=mg-kv2 mdv=mg-kv2 ×dt mdvmg-kv2=dt dt=mmg-kv2dv dt=m1mg-kv2dv mg-kv2 may also be expressed as mg2-kv22 =mg2-kv22 =mg2-kv2 ∴ Difference of two
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Translational motion Translational motion is the aspect in which a body moves from a specific point to the next. This can be in terms of objects‚ molecules or atoms. This kind of motion normally takes place in a straight line for instance bullet which is fired by a gun. The object in motion does not change by turning on its axis for it travels in a straight line. Any slight change or rotation can cause the object to change direction in general making it not move toward the specified direction.
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EFFECT OF BREAKWATERS ON WAVE ENERGY DISSIPATION ABSTRACT The northern Egyptian coasts are subjected to many changes in shoreline balance due to waves and coastal currents. To protect and develop these coasts‚ many types of coastal protection structures have been used. This research demonstrates the effect of different systems of coastal protection structures on wave energy dissipation. By using the CGWAVE numerical model‚ the effect of each one and interaction between these structures on
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and low velocity pitchers In my paper I plan to explain the difference between a high velocity pitcher and a low velocity pitcher. Confidence‚ resiliency‚ determination‚ leadership‚ integrity‚ composure and location. All of these words are the best qualities of a pitcher. Pitchers are generals on the bump‚ commanders of the field (All terms for a pitcher on the mound). The team is reflected by their pitcher. There are 2 types of pitchers; a high velocity pitcher
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Research question: How does the mass of a muffin cup affect the velocity of the muffin cup? Variables: Independent The mass of a muffin cup‚ grams [g]‚ m Dependent The time it takes for the muffin cup to reach the floor‚ seconds [s]‚ t Controlled Air resistance‚ Newton [N]‚ FA Distance of releasing the muffin cup‚ meters [m]‚ d Reaction time‚ seconds [s]‚ t Method for controlling variables: Air resistance will be controlled by having the same shape of the muffin cup for all tests
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BOSTON — Somewhere in Germany is a baby Superman‚ born in Berlin with bulging arm and leg muscles. Not yet 5‚ he can hold seven-pound weights with arms extended‚ something many adults cannot do. He has muscles twice the size of other kids his age and half their body fat. DNA testing showed why: The boy has a genetic mutation that boosts muscle growth. The discovery‚ reported in Thursday’s New England Journal of Medicine‚ represents the first documented human case of such a mutation. Many scientists
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Prac Report – Investigating Parachutes Experiment Aim: To measure how the size of a parachute t’s surface area affects the parachute’s speed‚ acceleration and time of flight. Hypothesis: A parachute with a larger surface area would fall slower due to that fact there would be a higher level of drag‚ or in other words more air resistance. Materials: * Sturdy garbage bags * Metric ruler * Scissors * Washers * Twist ties * Light-weight string * Stopwatch Method:
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Free Fall Summary file:///F:/lab/1/Videos/FreeFall/FreeFallSummary.html Summary of the Free Fall Experiment This is a summary of the web-based document on the Free Fall experiment at: http://faraday.physics.utoronto.ca/IYearLab/Intros/FreeFall/FreeFall.html. See that document for the complete discussion. Here we summarise that document in a form suitable for printing. Equations of Motion In the absence of air resistance: where: s = the position at time t s0 = the position at time t
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lava temperature impact viscosity and velocity? The higher the temperature the lower the viscosity which allows it to develop a smooth surface skin‚ but this is quickly broken up by flow of molten lava‚ it creates a rough‚ clinkery surface. The lower the temperature of the magma the higher the viscosity which allows the lava to travel down the slope. In the group the average velocity was 0.91 cm/s . How the “lava” flowed was in a high viscosity and a low velocity because the “lava” was cold. The lava
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to show a large amount of information in a compact way. Essentially you need to be able to sketch and interpret two main kinds of graphs in kinematics: 1. Displacement – Time Graphs ● Sometimes called d-t graphs‚ or position – time graphs. 2. Velocity – Time Graphs ● Sometimes called v-t graphs. Displacement - Time (d-t) Graphs This type of graph is based on the most basic things we need to know about the motion of an object (position and time). ● Typically you will be given a table of
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