2) An object starts from rest and travels at a speed of 5m/s for the first 5 seconds. It then rests for 10 seconds before moving out again at 10m/s. It travels at 10 m/s for 8 seconds after which it returns abruptly to its starting point in 2 seconds. a) Plot the distance-time graph for the above motion of the particle. (All the necessary information has been given).

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 84A
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2) An object starts from rest and travels at a speed of 5m/s for the first 5
seconds. It then rests for 10 seconds before moving out again at 10m/s. It travels
at 10 m/s for 8 seconds after which it returns abruptly to its starting point in 2
seconds.
a) Plot the distance-time graph for the above motion of the particle. (All the
necessary information has been given).
b) What is the speed given of the object in the last two seconds?
c) Calculate the average speed of the particle.
Copyright© 2014 NTUC LeaningHub Ple Ltd. All rights reserved.
LHUB ver1.0
Transcribed Image Text:2) An object starts from rest and travels at a speed of 5m/s for the first 5 seconds. It then rests for 10 seconds before moving out again at 10m/s. It travels at 10 m/s for 8 seconds after which it returns abruptly to its starting point in 2 seconds. a) Plot the distance-time graph for the above motion of the particle. (All the necessary information has been given). b) What is the speed given of the object in the last two seconds? c) Calculate the average speed of the particle. Copyright© 2014 NTUC LeaningHub Ple Ltd. All rights reserved. LHUB ver1.0
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