The positions of objects A and B are graphed in the following figure. Answer the following questions and explain. a. Is the acceleration of object A positive, negative, or zero at t=2sec? b. At t=2sec, is object B speeding up, slowing down, or moving with constant speed? c. Is the acceleration of object B positive, negative, or zero at t=2sec? d. Which object has the greater speed 200 100 -100 at t=11sec? B e. Find the average velocity of object B -200 for the 20 second interval shown. 10 12 14 16 18 20 Position (m) 4.
The positions of objects A and B are graphed in the following figure. Answer the following questions and explain. a. Is the acceleration of object A positive, negative, or zero at t=2sec? b. At t=2sec, is object B speeding up, slowing down, or moving with constant speed? c. Is the acceleration of object B positive, negative, or zero at t=2sec? d. Which object has the greater speed 200 100 -100 at t=11sec? B e. Find the average velocity of object B -200 for the 20 second interval shown. 10 12 14 16 18 20 Position (m) 4.
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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Transcribed Image Text:The positions of objects A and B are graphed in the following figure. Answer the
following questions and explain.
a. Is the acceleration of object A
positive, negative, or zero at t=2sec?
b. At t=2sec, is object B speeding up,
slowing down, or moving with
constant speed?
c. Is the acceleration of object B
positive, negative, or zero at t=2sec?
d. Which object has the greater speed
200
100
-100
at t=11sec?
B
e. Find the average velocity of object B
-200
for the 20 second interval shown.
10 12 14 16 18
20
Position (m)
4.
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