answer the following motion question. A car, initially travelling at 81 km h-¹, is travelling down a road when it comes up to a schoolzone. The driver approaches the school zone and slows. Once the driver has passed the schoolzone, the driver accelerates again. The acceleration-time graph of the car's 40 s journey is shownbelow.aAcceleration (m/s/s)342+T№→→→→Time (s)4 8 12 16 20 24 28 32 36 40−3+A mobile police camera is set up in the school zone to capture any speeding motorists. Aspeeding motorist is a motorist that travels through the school zone with a speed greater than40 km h-¹. Calculate the speed that the car travelled through the school zone to determine ifthe car will get a speeding ticket.

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A car, initially travelling at 81 km h-¹, is travelling down a road when it comes up to a school zone. The driver approaches the school zone and slows. Once the driver has passed the school zone, the driver accelerates again. The acceleration-time graph of the car's 40 s journey is shown below.

A car, initially travelling at 81 km h-¹, is travelling down a road when it comes up to a school zone. The driver approaches the school zone and slows. Once the driver has passed the school zone, the driver accelerates again. The acceleration-time graph of the car's 40 s journey is shown below.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

answer the following motion question.

A car, initially travelling at 81 km h-¹, is travelling down a road when it comes up to a school
zone. The driver approaches the school zone and slows. Once the driver has passed the school
zone, the driver accelerates again. The acceleration-time graph of the car's 40 s journey is shown
below.
a
Acceleration (m/s/s)
34
2+
T
№
→→→→Time (s)
4 8 12 16 20 24 28 32 36 40
−3+
A mobile police camera is set up in the school zone to capture any speeding motorists. A
speeding motorist is a motorist that travels through the school zone with a speed greater than
40 km h-¹. Calculate the speed that the car travelled through the school zone to determine if
the car will get a speeding ticket.

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