Math Problem Statement
Problem 4: A particle moves along the x axis and its position as a function of time is x(1) = (17.7 m/s)t - (1.8 m/ 3) ?. Part (a) What is the instantaneous velocity, in m/s, at t = 2.5 s? Numeric : A numeric value is expected and not an expression Part (b) What is the instantaneous velocity, in m/s, at + = 3.9 s? Numeric : A numeric value is expected and not an expression. 3 Part (c) What is the average velocity between + = 2.5 s and t = 3.9 s in m/s?
Solution
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Math Problem Analysis
Mathematical Concepts
Kinematics
Derivatives
Instantaneous Velocity
Average Velocity
Formulas
v(t) = dx(t)/dt
x(t) = (17.7 m/s)t - 0.6t^3
v_avg = (x(3.9) - x(2.5)) / (3.9 - 2.5)
Theorems
Derivative for Instantaneous Rate of Change
Kinematic Equations for Motion
Suitable Grade Level
Grades 10-12
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