(c) Common carp [1] (d) catla 5. What is an layer and a broiler? What are the differences between the two? [2] 6. Arrange the following statements in correct sequence of preparation of green manure (a) Green plants are decomposed in soil (b) Green plants are cultivated for preparing manure or crop plant parts are used (c) Plants are ploughed and mixed into soil (d) After decomposition it becomes green manure. [2] 7. What are the benefits of poultry farming over cattle
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Perceiving Motion‚ I learned how we typically act in our daily lives. As humans‚ we are constantly acting‚ either dramatically such as riding a bike or routinely‚ as in reaching for a coffee cup or walking across the room. Whatever form of action takes‚ it involves motion‚ and one of the things that makes the study of motion perception fascinating and challenging is that we are not simply passive observers of the motion of others‚ we often move ourselves. We as well perceive motion while being stationary
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E104: NEWTON’S SECOND LAW OF MOTION METHODOLOGY In Part A of the experiment (Constant Mass‚ Changing Net Force)‚ place the dynamics track on the laboratory table. Make sure that it is horizontal by placing the dynamics cart on the track. If the dynamics cart does not move‚ then the track is already horizontal. Otherwise‚ make the necessary adjustments. Get the mass of the dynamics cart. Write this under m1 in Table 1. Set the first photogate at the 20-cm mark of the dynamics track and the second
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Incline Lab Purpose – The purpose of this experiment was to find how position and time are related to a ball on an incline. Data – 7 Books X (cm) | Trial 1 (s) | Trial 2 (s) | Trial 3 (s) | Average (s) | 10 | 0.336 | 0.3654 | 0.3434 | 0.3479 | 15 | 0.3952 | 0.4262 | 0.43 | 0.4171 | 50 | 0.9127 | 0.8846 | 0.8936 | 0.8971 | 75 | 1.1257 | 1.1178 | 1.1322 | 1.1252 | 100 | 1.320 | 1.2788 | 1.2979 | 1.2989 | 125 | 1.4924 | 1.4966 | 1.4766 | 1.4885 | 4 Books X (cm) | Trial 1 (s) |
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Name __________________ Pendulum Go to http://phet.colorado.edu/simulations/sims.php?sim=Pendulum_Lab and click on Run Now. 1. Research to find equations that would help you find g using a pendulum. Design an experiment and test your design using Moon and Jupiter. Write your procedure in a paragraph that another student could use to verify your results. Show your data‚ graphs‚ and calculations that support your strategy. The time it takes a pendulum to complete
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Vo = gxsinθcosθ = 2.214m0.44s = 0-(9.81m/s2)(0.44s) = 9.81(2.62)sin45(cos45) = 5.032 m/s = 4.312 m/ = 7.17 m/s Discussion: The two pictures below demonstrate the calculations from Trial 1 at 0° and Trial 1 at 45°. In this experiment we did five separate shots from the cannon at 0°‚ and 3 separate shots at 45°. We determined the average distance of the shots from each angle by using a
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LEYLA MIRAY KAYA Motion Study of Gilbreths in Surgery Frank and Lillian Gilbreth are best-known for their motion study on bricklaying. However they did many other studies on various areas. They have motion studies for athletes‚ pianists ‚ book keepers and fencers. All of these people were photographed when they were in action. Then those actions were divided into small micro motions to observe the unnecessary movements to eliminate. Surgeons were those people that Gilbreths studied on to improve
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Brownian motion This is‚ presumably the random drifting of particles suspended in a fluid (a liquid or a gas) .This movement was discovered and later named after botanist Robert Brown (1773-1858). He was a Scottish botanist and palaeobotanist who made important contributions (including Brownian motion) to botany largely through his pioneering use of the microscope. The scientist who made Brownian motion famous is Albert Einstein‚ who brought the phenomenon to the attention of the larger physics community
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Newton came up with three laws of motion laws that describe how forces and objects relate to each other. the statement means that in every interaction‚ there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs.
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Uniform Circular Motion – a constant motion along a circle; the unfirom motion of a body along a circle Frequency (f) – the number of cycles or revolutions completed by the same object in a given time; may be expressed as per second‚ per minute‚ per hour‚ per year‚ etc.; standard unit is revolutions per second (rev/s) Period (T) – the time it takes for an object to make one complete revolution; may be expressed in seconds‚ minutes‚ hours‚ years‚ etc.; standard unit is seconds per revolution
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