The formula d=0.5t2 + 12 models a toy car's distance from a fire hydrant (in feet) t seconds after it began moving. a Three seconds after it began moving, the toy car was feet away from the fire hydrant. Eleven seconds after it began moving, the toy car was feet from the fire hydrant. b. For the interval described in part (a), the toy car moved feet over a period of time of seconds. c. During the interval described in part (a), the toy car Select an answer v move at a constant speed. d. If we pretend that the car was moving at a constant speed during this interval, the constant speed necessary to cover the same distance in the same amount of time is feet per second.

The formula d=0.5t2 + 12 models a toy car's distance from a fire hydrant (in feet) t seconds after it began moving. a Three seconds after it began moving, the toy car was feet away from the fire hydrant. Eleven seconds after it began moving, the toy car was feet from the fire hydrant. b. For the interval described in part (a), the toy car moved feet over a period of time of seconds. c. During the interval described in part (a), the toy car Select an answer v move at a constant speed. d. If we pretend that the car was moving at a constant speed during this interval, the constant speed necessary to cover the same distance in the same amount of time is feet per second.

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Description: The formula d=0.5t2 + 12 models a toy car's distance from a fire hydrant (in feet) t seconds after it began moving.a Three seconds after it began moving, the toy car wasfeet away from the fire hydrant. Eleven seconds after itbegan moving, the toy ca

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

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

Topic Video

Question

The formula d=0.5t2 + 12 models a toy car's distance from a fire hydrant (in feet) t seconds after it began moving.
a Three seconds after it began moving, the toy car was
feet away from the fire hydrant. Eleven seconds after it
began moving, the toy car was
feet from the fire hydrant.
b. For the interval described in part (a), the toy car moved
feet over a period of time of
seconds.
c. During the interval described in part (a), the toy car Select an answer v move at a constant speed.
d. If we pretend that the car was moving at a constant speed during this interval, the constant speed necessary to cover the same distance in the
same amount of time is
feet per second.

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