Wood b) Polished surface c) Mirror d) Marble surface e) Chalk powder Q5. What is the angle of reflection if the angle between the incident ray and the reflected ray is 90? Q6. Give one word for the following: 1. The invisible energy which causes in use the sensation of vision. 2. The ray of light which travels towards a mirror. 3. A line which is drawn at right angles to the mirror surface at the point of incidence. 4. Name one type of mirror which always forms virtual
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©2010 Dassault Systèmes‚ All Rights Reserved DraftSight and the DraftSight logos are trademarks of Dassault Systèmes or its subsidiaries in the US and/or other countries. Other brand or product names are trademarks or registered trademarks of their respective holders. The information and the software discussed in this document are subject to change without notice and are not commitments by Dassault Systemes or its subsidiaries. No material may be reproduced or transmitted in any form or by any means
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.:First experiment:. .Problem: How will the length of a pendulum affect the amount of swings per minute? .Hypothesis: I believe that the length of the pendulum will affect the amount of swings per minute because when the string is shorter in length‚ there would be less friction between the string and the atmosphere‚ causing the string to go faster. .Materials: * String ( should be 70-90 cm long) * Metal washers * Stopwatch * Metric ruler * Stand * Extra washers (You will
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Kuta Software - Infinite Geometry Name___________________________________ Angles in Quadrilaterals Date________________ Period____ Find the measure of each angle indicated. 1) 2) T W ? D 100° ? C 120° 100° 80° U V 95° 85° A B 3) 4) E F 65° M L ? 110° 87° D ? G J 5) K 6) L 96° K T W ? 114° 96° 86° M 68° ? V U J 7) 8) T X Q ? 105° 106° S
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directly above the head and filling the rest of the shot with Bateman’s dark black blazer sleeve. The allusion is given to the audience that Jean is most definitely going to experience a murdered as the foreshadowing frozen head is seen. The the camera angles are mostly back and forth shots of Bateman and Jean from just a few feet away. Here the directer displays strong color symbolism with Jean on the white couch dressed white and Bateman wearing the dark black suit that overpowers the light in the room
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One downside of the arm is its under-powered control software which only offers time-based movement of the arm’s joints (e.g. rotate the wrist for 0.5 second). It would be much more useful to define joint rotations using absolute and relative angles‚ or to specify (x‚ y‚ z) locations (e.g. move the arm’s grippers to (10‚ 15‚ 7)). I’ll be implementing control software that offers all these features. The code forms a loose hierarchy – the lowest level moves the arm using USB control transfers
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Topic: Basic Geometry Concepts and Terms Level: Grade - III 1. Objectives: At the end of the session‚ students are expected to: * Know the different basic concepts of geometry * Define point‚ line segment‚ ray‚ degree and angles * To know and demonstrate how to use the protractor II. Subject Matter: Basic Geometry Concepts and Terms Reference: (1) Understanding Math Essentials 3 (pp. 365 – 372) Maria Theresa Garcia Capule Materials: III. Procedure:
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(c2) of a right triangle is equal to the two legs squared (a2 + b2). With the endless amounts of angles somehow making a 90 degree angle‚ you’d be surprised how often people use this theorem to solve everyday needs. It can easily be applied to architecture and construction‚ such as with building homes that have a triangular-life roof tops or gables though it is only applied when it is with a 90 degree angle‚ of course‚ as the rule still applies. The theorem can also be used to find the location of
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same gradient are parallel‚ while lines with gradients that are negative reciprocals of each other is perpendicular to it. (perpendicular means at a right angle to) [they usually want you to state that ’the perpendicular line’s gradient is the negative reciprocal’‚ so stick it in. It is also usefull to draw out diagrams if they ask about right angle triangles‚ (usually something to do with negative reciprocals rather than pythagoras.)] In 2D Lines that are not parallel must intesect‚ the point of intersection
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restoring force must be directly proportional to x or to θ because x=L θ. The restoring force F is the tangential component of the gravity. The restoring force is proportional not to θ but sin θ‚ so the motion is not simple harmonic. However‚ if the angle θ is small‚ sin θ is very nearly equal to θ (in radians). Thus we have: The bob will then execute simple harmonic motion and x (or θ) will be a sinusoidal function of time: Where A‚ called the amplitude‚ is the maximum value of θ (i.e
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