Find an Online Tutor Now

Iera K.

asked • 04/19/15

A particle moves in a straight line from its initial position so that after t seconds, it distance is given by s = t^2 + t feet from its initial position.

(a) Find the average velocity of the particle over the interval [1; 3] seconds.
(b) Find the instantaneous velocity of the particle at t = 1 second.

1 Expert Answer

By:

Philip P. answered • 04/19/15

Tutor
5.0 (472)

Effective and Patient Math Tutor

Michael J.

The derivative of s should be
 
ds/dt [t2 + t] = 2t + 1
 
 
Report

04/19/15

Philip P.

Right you are.  Thanks for the comment.  I've corrected my answer.
Report

04/19/15

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.