Each of four particles moves along an x axis.Their coordinates (in meters)as functions of time (in seconds)are given by For which of these particles is the velocity increasing for t 0?
A)All four
B)Only 1
C)Only 2 and 3
D)Only 2, 3, and 4
E)None of them

Question

Each of four particles moves along an x axis.Their coordinates (in meters)as functions of time (in seconds)are given by  For which of these particles is the velocity increasing for t > 0?
A)All four 
B)Only 1 
C)Only 2 and 3 
D)Only 2, 3, and 4 
E)None of them

Quizplus · Accepted Answer

The Answer of Each of four particles moves along an x axis.Their coordinates (in meters)as functions of time (in seconds)are given by  For which of these particles is the velocity increasing for t > 0?
A)All four 
B)Only 1 
C)Only 2 and 3 
D)Only 2, 3, and 4 
E)None of them

Each of Four Particles Moves Along an X Axis