A Racing Car Accelerates Uniformly from Rest Along a Straight

question 18

Multiple Choice

A racing car accelerates uniformly from rest along a straight track.This track has markers spaced at equal distances along it from the start,as shown in the figure.The car reaches a speed of 140 km/h as it passes marker 2.Where on the track was the car when it was traveling at 70 km/h?

• A) before marker 1
• B) at marker 1
• C) between marker 1 and marker 2

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Definitions:

Figure And Ground

A principle in visual perception that describes how humans separate an object (the figure) from its surrounding area (the ground).

Sensory Adaptation

The process by which sensory receptors become less sensitive to constant stimuli over time.

Feature Detectors

Neurons in the brain that respond to specific features of a stimulus, such as lines, edges, or movement, playing a crucial role in the process of perception.

Narrow Black-And-White Lines

A visual pattern typically consisting of slim, alternating black and white stripes.