The opposite of evaporation is precipitation‚ such as rain‚ by which water is added to the ocean. Here the ocean is being diluted so that the salinity is decreased. This may occur in areas of high rainfall or in coastal regions where rivers flow into the ocean. Thus salinity may be increased by the subtraction of water by evaporation‚ or decreased by the addition of fresh water by precipitation or runoff. Normally‚ in tropical regions where the sun is very strong‚ the ocean salinity is
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Forces What Is a Force? Forces represent the interaction of distinguishable objects. Specific forces: The weight W with magnitude W = m * g acts near Earth’s surface with g the gravitational acceleration. (m= mass) The normal force N is due to contact with a surface. It is directed perpendicular to the surface. The tension T is due to a taut‚ massless string. It is directed along the string. The external contact force Fext acts along the direction of the push. Unit: Force and force
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interventions performed in the water. The aquatic environment is used to provide weight relief to the body‚ antigravity positioning‚ and increased resistance as therapeutic tools. Aquatic PT also provides multiple sensory stimuli through buoyancy‚ relative density‚ water temperature‚ viscosity‚ resistance‚ and vestibular input. With joint loading forces greatly reduced in the water‚ aquatic therapy provides the opportunity for low impact exercise and allows for ease of active movement‚ reduction of
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Experiment 1 Laboratory Techniques and Measurements Purpose: To determine measurements of different items that vary from solids to liquids and be able convert those values to other SI units of measurement. Procedure: I used a variety of scientific tools such as; a ruler‚ beaker‚ graduated cylinder‚ volumetric flask‚ thermometer‚ burner‚ and digital scale to find unknown values of measurements for each of the indicated
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6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. Basic Formulas P. 3 Pressure Gradient Hydrostatic Pressure Converting Pressure into Mud Weight Specific Gravity Equivalent Circulating Density Maximum Allowable Mud Weight Pump Output Annular Velocity Capacity Formula Control Drilling Buoyancy Factor 12. Hydrostatic Pressure Decrease POOH Loss of Overbalance Due to Falling Mud Level Formation Temperature Hydraulic Horsepower Drill Pipe/Drill Collar Calculations Pump Pressure/ Pump Stroke
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Cylinder with liquid (g) Liquid (g) Density g/mL % Error Water 5.0 17.0 22.0 5.0 1.0 0.0 Isopropyl alcohol 5.1 17.0 21.6 4.6 0.90 14.5 Data Table 5: Magnet – Measurement Method. Object: Mass (g) Length (cm) Width (cm) Height (cm) Volume (cm3) Density (g/cm3) Magnet 4.6 2.5 0.5 0.5 0.625 7.36 Data Table 6: Displacement Method. Object Mass (g) Initial volume of graduated cylinder (mL) Final volume of graduated cylinder (mL) Object Volume (mL) Density (g/mL) Magnet
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continental plate due to the higher density of the oceanic crust. This can sometimes form what is known as a volcanic arc. As the slab descends it encounters progressively greater temperatures and pressures‚ causing it to release water into the overlying mantle wedge. This lowers the melting temperature of said mantle and causes it to partially melt; producing magma. This is known as flux melting. The magma then rises upward as lava due to its greater buoyancy to form a linear belt of volcanoes parallel
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then classify objects according to whether they sink or float. CONTEXT In this activity students will determine whether various objects sink or float in water. Whether an object sinks or float in a liquid depends mainly on two factors: density and buoyancy. However‚ at this level‚ students do not need to explain why objects sink or float. They are rather to be encouraged to observe that the same objects will sink or float every time‚ i.e.‚ that there is consistency in the way the objects behave
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output piston is 630 cm2‚ what force must be exerted on the input piston to lift the car? II. Buoyancy: -apparent loss of weight of objects ✓ Buoyant force - net upward force exerted by the fluid - causes floatation > when FB is greater than the weight of the object - constant throughout the same fluid - increases when density of fluid increases - equal to the difference of weight of object in air and weight of object
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heat)‚ density‚ convection‚ bioaccumulation‚ biodegradation‚ photo-degradation‚ diffusion… Plate Tectonics – major Plate Tectonic principles; What are the 3 plate boundaries and their driving mechanisms? Where are trenches?... What are hot spots? What is our plate boundary here in SD? In which direction are we moving? Marine Provinces – the 2 continental margins and where they’re found… Seawater – the water molecule – characteristics - polarity‚ heat capacity‚ solvent‚ bonds…; density‚ salinity
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