still remains an exceptionally valuable tool for law enforcement and investigators today. To start‚ fingerprints are incredibly unique. They are patterns that are created by friction ridges and furrows and they are located on the pads of the fingers and thumbs. The difference between friction ridges and furrows is that friction ridges are raised up while furrows are recessed. Also‚ prints on your palms‚ toes and feet are also distinctive and can be important‚ but are not typically used
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Non carious lesions on the teeth Non carious lesions on the teeth: The non carious lesions defined as a Loss of the tooth substance due to causes other than fermenting carbohydrate by Bacteria. So in non carious lesions no bacterial involvement in the loss of tooth hard substance. There are multiple causes of non carious lesions and every cause associated with one type of the non carious lesions‚ for example the Toothbrush is the most common cause for abrasion which is a type of the non carious
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rod moving in someone’s hands. Twirling involves dancing‚ gymnastics‚ coordination and many more characteristics that other sports have. With any sport‚ there is some type of physics involved. Many of the physics of twirling is center of gravity‚ friction‚ momentum‚ torque‚ Newton’s Laws of motion‚ force‚ and speed. The center of gravity is the average point where the weight of a body may act. In twirling the center of gravity in a body is the belly button. If the baton is tossed to the left
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equal to the sum View Solution Question 2 Two objects‚ A and B‚ one over the other‚ are moving with the same velocity. Which of the following statements is correct? A) Friction on A is in the forward direction. B) Friction on A is in the backward direction. C) Friction on B is in the forward direction. D) No friction acts between A and B. View Solution Question 3 If an object oscillates 80 times per second‚ it is said to have a frequency of ____. A) 80 sec B) 80 Hz C) 80 hr D) 0
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)‚ thermophoresis parameter ( ) on the flow‚ heat and mass transfer of Maxwell ‚ Jeffrey and Oldroyd-B nanofluids are discussed and presented with the help of graphs and tables. In Addition‚ the effect of dimensionless governing parameters on the friction factor coefficient‚ local Nusselt and Sherwood numbers are computed and discussed. For numerical computations we considered . These values are kept as common in entire study except the varied values as shown in the respective figures and
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an evaluation employing scientific principles to identify characteristics found on a fingerprint‚ an examiner’s opinion remains objective using knowledge and skills acquired through training‚ education‚ and experience. Expert testimony regarding friction ridged skin evidence has been both acknowledged and accepted as a reliable form of physical evidence as it can be reproduced. However‚ if an individual without any prior exposure or training in fingerprint identification‚
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the exact instant the centripetal force is removed. * The centripetal force vector always points to the center of the circlar motion. * The centripetal could be the tension in a string‚ gravity (for simple planetary orbit like in simulation)‚ friction (i.e. the
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top of a ten-story building‚ she will answer the question by assuming that the marble falls in a vacuum. Of course‚ this assumption is false. In fact‚ the building is surrounded by air‚ which exerts friction on the falling marble and slows it down. Yet the physicist will correctly point out that friction on the marble is so small that its effect is negligible. Assuming the marble falls in a vacuum greatly simplifies the problem without substantially affecting the answer. Economists make assumptions
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A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.85 on the same curve. What is the maximum speed at which car B can negotiate the curve? 5. A curve of radius 120 m is banked at an angle of 18°. At what speed can it be negotiated under icy conditions where friction is negligible? 6. . A racetrack has the shape of
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direction parallel to the applied force‚ and therefore an important soil property to be noted by engineers. In this lab test ‘Sydney Sand’ is used to determine the relationship between a given load and a change in cross-sectional area and also show the friction angle of the soil specimen‚ by testing the sample using what is commonly known as a shear box. 1.2 Test Procedure Determination of Shear Strength of a Soil – AS 1289.6.2.2 (1998) Points to consider within the test procedure
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