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  1. process. There are no free charges that can move to produce a current. (3) 3.2 3.2.1 The higher the concentration of ions in a solution, the greater the current through the solution. 3.2.2 The type of substance affects the current in that some ionic substances dissolve to a greater extent than others, thereby releasing more ions in

  2. Speed is the rate at which an object moves. Velocity is the speed of an object in a particular direction. In your groups of three, discuss and write down the procedure to determine the average speed of your toy car. Give students 15 minutes in their group to come up with lab procedures.

  3. Physical Sciences P1 (Physics) Gr 12 2 FS/2019 Terms, definitions, questions & answers HOW TO USE THIS DOCUMENT Dear Grade 12 learner 1. This document was compiled as an extra resource to help you to perform well in Physical Sciences. 2. Firstly you must make sure that you study the terms and definitions provided for each topic.

  4. Good hypothesis: The speed of a vehicle traveling down the 30ᵒ ramp will be lower than the speed of the vehicle traveling down the 60ᵒ ramp. Poor hypothesis: The vehicle will travel fast down the ramp with the greater amount of slant.

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  5. Jun 17, 2019 · Calculate the instantaneous velocity given the mathematical equation for the velocity. Calculate the speed given the instantaneous velocity. We have now seen how to calculate the average velocity between two positions.

  6. word speed when describing any velocity. • Speed is a scalar quantity (it doesn't have direction). • We usually want the velocity of an object, since velocity is a vector. That means we also know the direction the object is traveling. What speed did you drive today along Yellowhead? I drove at 72km/h.

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  8. The speed of an object tells you how fast or slow it is moving. You can find the average speed of an object if you know: Calculate the average speed of a runner who runs 100 m in 10 s. Notice that the unit for speed in science is metres per second, m/s. It is not, for example, mph, kph or m per s.

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