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What affects the speed of a moving vehicle?
- Words:
- 972
- Submitted:
- Fri Jan 09 2004

... What affects the speed of a moving vehicle? Plan Aim The aim of our investigation was to find out what variables affect the speed of a moving vehicle. We chose to investigate the effect of gradient change on a moving vehicle. Variables The independent variable in our experiment is the gradient of the ramp. The dependant variable is the speed of the trolley. Apparatus Method 1. First we will set up the equipment carefully and safely. 2. Then we let go of the trolley at the top of the ramp, being sure not to push the ramp (or it would not produce a fair test). 3. Next we will record the speed taken by the computer into our table of results (see below). 4. We will repeat the experiment four times at each gradient to gain a good range of accurate and reliable readings. 5. We will test the trolley at seven different gradients to get adequate results. We decided that














