Use your velocity axis to help you to work out the first velocity and the second velocity. You can call these u and v . (Remember that u comes before v in the alphabet, just as the first velocity comes before the second.) Pull a trolley with a fixed force along a bench. Loop one end of the elastic cord around a rod attached to the trolley. Keep the force constant by making sure that the cord is always stretched by the same amount as the trolley moves. Practice doing this. Work out the average acceleration of your trolley during the time between the two tapes. Acceleration is rate of change of velocity. It is equal to the change in velocity divided by the time. Average acceleration = change in velocity/time taken.

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Attach the hose to your dryer. Move your dryer out if necessary, then slide the bottom end of the hose, or the lower elbow piece, over your dryer’s rear exhaust port. If the connection seems loose, secure the seam with foil tape or a hose clamp. [12] X Research source More common, but no less helpful, are tape measures with markings on both sides for taking both horizontal and vertical measurements. While you can measure vertically with any tape measure, having the numbers oriented vertically makes this task all that much easier. Sign up to receive the long and short of it. The latest STANLEY product info, special offers, and more at your fingertips.NOTE 1: The lip of your seatpost clamp should be on top so you are comparing the largest diameter of the clamp with the circles in the Seatpost Clamp Measurement Guide. Make sure there is no tension on the clamp bolt. The change in velocity is the difference between the two velocities, v – u. The time between these two tapes is t , which in this case is 1 second.

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Connect your hose pieces together if necessary. Unless you’re using a single piece of dryer vent hose, you’ll need to assemble everything into one unbroken segment. If you’re using elbow pieces, slide the crimped end of one elbow piece into the hose. If you’re attaching multiple hose segments together, combine them using an aluminium duct connector. [11] X Research source Galileo’s comments may have influenced Newton’s development of the first law of motion. In the English translation of The...Here at Bright Tangerine, we’re proud to be active members of the filmmaking community. We’re also very This introduces students to mathematical modelling of accelerated motion. Many students find the concepts challenging, and the introduction in a practical context is very helpful. Find the gradient of the line connecting the tops of the two tapes. Measure the height of the triangle, using the units of the velocity axis, which are centimetres per second (cm/s). Divide the height of the triangle, in centimetres per second, by the base, in seconds. This gives you the average acceleration in centimetres per second per second (cm/s 2 ). Attach your hose to the dryer and vent hood. Slip one end of your hose over the dryer’s exhaust port. Hold it in place using a dryer tube clamp or a piece of foil tape. Then, slip the other end over the vent hood’s cap extension and secure it with a tube clamp or foil tape. [4] X Research source