Question

coach langford is painting lines on the football field when he notices a storm coming and begins to positively accelerate to finish the job. his paint can has small hole and a drop of paint falls out each second. which particle model below (ticker tape model) best shows the pattern of the dripping paint as he speeds up? the following graphs are to be read from left to right.

Explanation:

Step1: Understand acceleration concept

Acceleration means change in velocity. As coach speeds up, distance between paint - drops (which fall at equal time intervals) should increase.

Step2: Analyze options

In option A, distance between marks is constant, indicating constant speed. In option B, distance between marks increases as we move from left to right, showing positive acceleration. In option C, distance between marks decreases, indicating negative acceleration.

Answer:

B