DscussChoose ona of the tolloNto mind Write the guesticSuitable tnteQuestion 2 (combined graphs):The following velocity-time graph represents the motion of an object thalmoves along a straight horizontal path.6) displacerme=- area unVelocity-time graph30= 10020v +7) averaaa +object slows dewn10objectacceleratesTime (s)8) Ac1020304050607080V.aa --10. object accelerates1) Describe the motion of the object fromt 0 s to t = 10s.2) Describe the motion of the object from t= 10 s to t = 30 s.3) Describe the motion of the object from t = 30 s to t = 70 s.4) Describe the motion of the object from t = 70 s to t = 80 s.5) Calculate the.acceleration of the object during the first 10 s ofthe motion.6) Calculate the displacement of the object during the first 80 s ofthe motion.7) Calculate the average velocity of the object for the whole journey.8) Draw the acceleration-time graph for the whole journey.Answer:1) The object accelerates from rest at a uniform acceleration andreaches a velócity of 20 m-s after 10 s.2) The object moves at a constant velocity of 20 m-s for 20 s.3) The object's velocity decreases in the direction of motion, i.e. it moves ata constant negative acceleration, and stops after 40 s.4) The object turns around and accelerates in the opposite direction asthe original direction of motion. The velocity increases within 10 s from0 to 5 m-s in the negative direction.5) acceleration = gradient20 - 0= 2 m-s forwards10 -0AvAtpright The Answer: Photocopying of this material is illegul5.22

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Description: DscussChoose ona of the tolloNto mind Write the guesticSuitable tnteQuestion 2 (combined graphs):The following velocity-time graph represents the motion of an object thalmoves along a straight horizontal path.6) displacerme=- area unVelocity-time gr

Slope of velocity times graph represents acceleration

Answered: Velocity-time graph 30 a - a + object…

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Physics

Velocity-time graph 30 a - a + object slows dewn . object accelerates 10 Time (s) 01 10 20 30 40 50 60 70 80 V - a - -10 . abject accelerates Velocity (m-s") 20

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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NO: FREE FALL AN OBTECT DROPPE DATE: Y-AXIS 21XA-X From the top OF the building uith the boilding with an Inihal vetocity ot 20mo 20 -0 m/s straight upuard, at an minal heght oF 50.0 m and the ballA A Just misses the edge dF the roof on H3 way down. Determine. M) 0 a.3the time needed For the ball to tne maximum herght = Vo t at 0= 20.0 m/s + (9.80 mls~2)t t- 20.0 m/6 9.80 mf62 = 204 S B the maxinJm heignt Ay= 10 = Vot + 1/2 at2 Y max = vot +2 at + 100 m0A1 0-H