1. A body moves along the x-axis. Its position is expressed in the given equation with respect to time: x = -4t + 2t. With the given time intervals of t = 0 to t = 1 s and t = 1 s to t = 3 s, find the body's a) displacement b) average velocity and c) instantaneous velocity at t = 2.5 s.

1. A body moves along the x-axis. Its position is expressed in the given equation with respect to time: x = -4t + 2t. With the given time intervals of t = 0 to t = 1 s and t = 1 s to t = 3 s, find the body's a) displacement b) average velocity and c) instantaneous velocity at t = 2.5 s.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 4CQ: A student writes, "A bird that is diving for prey has a speed of -10 m / s." What is wrong with the...

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1. A body moves along the x-axis. Its position is expressed in the given equation with
respect to time: x = -4t + 2t. With the given time intervals of t = 0 to t = 1 s and t = 1 s to t =
3 s, find the body's a) displacement b) average velocity and c) instantaneous velocity at t =
2.5 s.
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