True or false the velocity and speed of the particle are the same at
Answer to Problem 45E
False becausespeed is positive and velocity is negative.
Explanation of Solution
Given information:A spring s bobbing up and down on the end of a spring according to
Calculation:Firstly we find the velocity.
We know velocity is derivative of
Put
Value is negative.
Therefore it’s travelling downward.
Speed is absolute value of velocity. So it is always positive.
Here speed is positive and velocity is negative.
Therefore they are not same.
Chapter 3 Solutions
Calculus: Graphical, Numerical, Algebraic: Solutions Manual
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