(1 point) The function s(t) describes the position of a particle moving along a coordinate line,...
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(1 point) The function s(t) describes the position of a particle moving along a coordinate line, where s is in feet and t is in seconds. s(t) = t³ - 14t² + 49t + 3, (a) Find the velocity and acceleration functions. v(t): 3t^2-28t+49 a(t): 6t-28 (b) Over what interval(s) is the particle moving in the positive direction? Use inf to represent ∞o, and U for the union of sets. Interval: t≥0 (c) Over what interval(s) is the particle moving in the negative direction? Use inf to represent ∞o, and U for the union of sets. Interval: (7/3,7) (d) Over what interval(s) does the particle have positive acceleration? Use inf to represent ∞o, and U for the union of sets. Interval: (4.666, inf) (e) Over what interval(s) does the particle have negative acceleration? Use inf to represent ∞o, and U for the union of sets. Interval: (f) Over what interval is the particle speeding up? Slowing down? Use inf to represent ∞o, and U for the union of sets. Speeding up: Slowing down: (1 point) The function s(t) describes the position of a particle moving along a coordinate line, where s is in feet and t is in seconds. s(t) = t³ - 14t² + 49t + 3, (a) Find the velocity and acceleration functions. v(t): 3t^2-28t+49 a(t): 6t-28 (b) Over what interval(s) is the particle moving in the positive direction? Use inf to represent ∞o, and U for the union of sets. Interval: t≥0 (c) Over what interval(s) is the particle moving in the negative direction? Use inf to represent ∞o, and U for the union of sets. Interval: (7/3,7) (d) Over what interval(s) does the particle have positive acceleration? Use inf to represent ∞o, and U for the union of sets. Interval: (4.666, inf) (e) Over what interval(s) does the particle have negative acceleration? Use inf to represent ∞o, and U for the union of sets. Interval: (f) Over what interval is the particle speeding up? Slowing down? Use inf to represent ∞o, and U for the union of sets. Speeding up: Slowing down:
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a Find the velocity and acceleration functions Given st t3 14t2 49t 3 To find the velocity function we take the derivative of the position function with respect to time vt st 3t2 28t 49 To find the ac... View the full answer
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
Posted Date:
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