The position of an object can be represented using the expression æ (t) = (5m/s) t –30m. Which of the following statements about the motion of this object is true?O The object changes directions.O Att =6s, the object reaches the position r = 0 and continues moving.O Att = 6s, the object momentarily stops moving.O Att = 6s, the object both reaches the position aO and momentarily stops moving.

Given Expression is x(t) = (5m/s)t-30m…

Answered: The position of an object can be…

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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A particle moves in such a way that a = 2t + 2 m/s/s, where t is in seconds. Determine the velocity ( m/s ) of the particle after 5 seconds. O 15 O 25 O 30 O 37
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An object moves along the x-axis, its position given by x(t) = 5 – 2t2. Which of the following cannot be directly obtained from a graph of x vs. t? HINT O the average velocity during some time interval O the speed of the particle at any instant O the acceleration at any instant O the velocity at any instant O the displacement during some time interval
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The velocity of a particle is given by v(t) =t² – 2t. The position of the particle at the time t = 0 is S(0) = 0. 1. Find a formula for the position S(t) at time t. 2. Find the displacement of the object on [0,3]. 3. Find the total distance traveled by the particle on [0,3].
A PARTICLE MOVES ALONG THE X-AXIS. ITS POSITION VARIES WITH TIME ACCORDING TO THE EXPRESSION x = -4t + 2t2, WHERE x IS IN METERS AND t IS IN SECONDS. THE POSITION-TIME GRAPH FOR THIS MOTION IS SHOWN IN THE FIGURE. x (m) 10 (D Displacement: 8. 4 8 Slope = +4 m/s a. Displacement at t = 0 s t=1 s and t = 1 s → t = 3 s Slope -2 m/s 4 b. Average velocity during the time intervals in (a) (s) -2 B c. Instantaneous velocity at t= 2.5 s -4 1 3 4
Problem 2: Kinematics and vectors. An object is moving on the xy plane with velocities given by: V₂ x = (10.0-0.500t)1 and v = (-5.00t+0.025²) j Determine the following quantities: a. The displacement of the object as a function of time. b. The average velocity of the object from for the time interval from 0 to 10 s.
20. The position of an object is given by x(t) = p + qt + rt², with p = +0.20 m, q = -2.0 m/s, and r = +2.0 m/s². (a) Draw a graph of this motion from t = 0 to t = 1.2 s. (b) What is the displacement of the object in the interval from t = 0 to t = 0.50 s? (c) What maximum distance from the origin does the object reach during the interval in part a? ..
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The position versus time for a certain particle moving along the x axis is shown in the figure below. Find the average velocity in the following time intervals. х (m) 10 8 4 t (s) 1 2 3 4 5 6 7 8 -2 -4 -6 (a) 0 to 2 S m/s (b) 0 to 3 s m/s (c) 3 to 6 s m/s

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