The position of the front bumper of a test car under microprocessor control is given by x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6. Disregard instants corresponding to negative tt values. A. Find its position at the first instant when the car has zero velocity. Express your answer in meters. x=___m B. Find its acceleration at the first instant when the car has zero velocity. Express your answer in meters per second squared. ax=________m/s2 c. Find its position at the second instant when the car has zero velocity. Express your answer in meters. x=______________m D. Find its acceleration at the second instant when the car has zero velocity. Express your answer in meters per second squared.
The position of the front bumper of a test car under microprocessor control is given by x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6. Disregard instants corresponding to negative tt values. A. Find its position at the first instant when the car has zero velocity. Express your answer in meters. x=___m B. Find its acceleration at the first instant when the car has zero velocity. Express your answer in meters per second squared. ax=________m/s2 c. Find its position at the second instant when the car has zero velocity. Express your answer in meters. x=______________m D. Find its acceleration at the second instant when the car has zero velocity. Express your answer in meters per second squared.
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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The position of the front bumper of a test car under microprocessor control is given by x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6x(t)=2.17m+(4.80m/s2)t2−(0.100m/s6)t6. Disregard instants corresponding to negative tt values.
A. Find its position at the first instant when the car has zero velocity.
Express your answer in meters. x=___m
B.
Find its acceleration at the first instant when the car has zero velocity.
Express your answer in meters per second squared.
ax=________m/s2
c.
Find its position at the second instant when the car has zero velocity.
Express your answer in meters. x=______________m
D.
Find its acceleration at the second instant when the car has zero velocity.
Express your answer in meters per second squared.
ax=_________________m/s2
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