Heleleppe
the purpose of this exercise is to make a hypothesis about the effect of changing an independent variable.
1. what effect you would expect different diameter gears to have on the speed of the car?
2. select your hypothesis from the choices below and copy your choice here: i think with larger gears the car moves
(a) faster
(b) slower
(c) the same speed
procedures for exercise c: make observations
the purpose of this exercise is to record data on the performance of the cart based on its configuration.
1. the student began trials of the car with the different gears, starting with the smallest gear (3.5cm). she wound up the spring and lifted the lever to release the cart.
2. she clicked stop on the timer as the cart crossed the finish line. the timer shows the amount of time needed for the cart to travel 1 meter.
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Ответ:
answer:
break it down
explanation:
Ответ:
Ответ:
B). Precision.
Explanation:
During the course of measurements, two important factors are been seen to play key part which are accuracy and also precision. Precision here can reflect to the closeness of an answer towards the main value even though accuracy can show that too. Also it can show series of values been reproduced in the measurement flow; though in some cases can be a bit far from the actual value. Also its values are swen to be different because of repeatition and alsio in some cases, observational errors too.