Jessica Yan Rick St. Denis, Tyler Wiseman 13 September 2012 Projectile Motion: Ball in the Bin Purpose: The purpose of the experiment is to determine the velocity of a ball launched from the Projectile Launcher device, and then to use that velocity to find where on the floor the ball will land given a specific angle. Theory: Two-dimensional motion is as it sounds, made of the two components of Vertical velocity and Horizontal Velocity. Horizontal Motion can be described as constant, neglecting air resistance, and Vertical Motion is characterized by the acceleration of gravity pulling at 9.8m/s². In this particular experiment, the total velocity will be split into the two components in order to find the time in the air, and horizontal distance from the launcher. The motion of these components can be described as d=vt for constant horizontal motion, and d=1/2at² + Vit.
* The final speed was recorded by the light gate detector about three times for each height. * To record the speed, we held the trolley at the top of the ramp with the help of meter rule. Then, as the trolley rolled down at the end of the ramp, the light gate detected its speed in metre per second(m/s). * The average speed of the final speed was calculated by : Vavg of the final speed (Vf) = V1+V2+V3 (m/s) 3 * The final speed was recorded by the light gate detector about three times for each
Suggest two reasons for this change. Task 2 Press back but not clear and change the number of chips to 10 but leave the acid concentration at 1.0 mol/dm3 . Click start and take readings approximately every 3 seconds (by clicking the take readings button) until the mass reaches 0.0 g. Stop the reaction immediately. Plot these results on the same grid as the results of your first experiment. How does the rate of reaction in Task 2 compare with the rate in Task 1?
The materials needed for this experiment will be a ball, a meter long ramp, tape, a protractor, and stopwatch. For the first step you will set up the incline of the ramp at a 10° angle. Then you will mark, with tape, six points on the one meter ramp that are equidistant from one another. Next, using a stopwatch, you will roll the ball from each point three times each. After all the trials are completed for the six distances, find the average time it took the ball to reach the end from each point.
A ball was diameter was taken of the ball (in cm). The projectile launcher had to be leveled by the inclinometer. Afterwards, using the projectile ball, and the ram rod, the projectile had to be shot onto the clip board with the carbon paper attached to it. The geometric center of the trials was taken; this height was the initial height of the projectile. The launcher had to be relocated to an appropriate distance that will let the projectile strike the lower portion of the target.
Use the ramp to push the ball slowly through the Accessory Photogate, as shown in Figure 3.2. Determine the point at which the ball first triggers the Photogate Timer—this is the first point at which the LED turns ON—and mark it on the paper. Then determine the point at which the ball last triggers the timer, and mark this point also. Measure the distance between these marks and record this distance as Dd. Replace the ramp as in Figure 3.1.
Hold the cart so that its rear axle is learned in 74, releasing the cart from notch A results in the fastes cart speed. Release the cart, and observe what happens. Measure the distance that the block moved down the track. Record the data as trial in your table. repeat steps 3-5 fourmatines and record data as trails 2-5.
2. The scores that I need work on were(use your data to prove) The score that i needto work on are the Mac agility test and the 20 meter sprint 3. Based on the components of fitness, are you fit ? Why ? Rank the components in order, from your best, to your worst.
Abstract To determine the coefficient of restitution, the method used will involve recording the height from which a squash ball is dropped and the height with which it bounces up to and then comparing the ratio of the two heights. The temperature will be adjusted by using a water bath heated up to 100°C and then allowing the temperature to fall and recording results as necessary. Using a high definition digital camera to record the height at which the balls bounce against a marked background of 1cm lines. The bounce height recorded by the camera is then divided by the standard initial height of 1.2m to produce e2. This value is then square rooted to provide a value for the coefficient of restitution.
1. Days to repair As we know, the number of days in which the copier can be repaired is random. So, we will generate some random numbers between 0 and 1 and denote it by r1 then according to the given probability distribution: If 0 < r1 < 0.2, then it will take one day to repair the copier. If 0.2 < r1 < 0.65, then it will take two days to repair the copier. If 0.65 < r1 < 0.90, then it will take three days to repair the copier.