Question

question 5. anwar and sofia both investigated how surfaces affect the speed of a moving object. anwar used a rolling ball, and sofia used a box. why is calculating speed important when comparing trials, and how can it help identify factors that affect constant speed?

Explanation:

Calculating speed helps in quantifying motion. When comparing trials, speed values can show if a change in surface affects the movement of an object. Consistent speed indicates certain factors are not disrupting motion, while variations point to influencing factors like friction on different surfaces.

Answer:

Calculating speed is important when comparing trials as it provides a numerical value to measure the motion of an object. By knowing the speed in different trials on various surfaces, we can identify factors that affect motion. If the speed remains constant across trials on different surfaces, it means those surfaces have similar effects on the object's motion. If the speed varies, factors like friction (which is different on different surfaces) are likely affecting the constant - speed of the object.