Posted by **Michael** on Tuesday, May 14, 2013 at 3:13am.

An object is traveling along the x axis so that its speed is given by

2 v(t) t 7t 10 m/s.

(a) Find the times when the object is at rest.

- Calculus -
**Elliott**, Tuesday, May 14, 2013 at 3:14am
An object is traveling along the x axis so that its speed is given by

2 v(t) t 7t 10 m/s.

(a) Find the times when the object is at rest.

(b) Find the acceleration at both of these times. Interpret the acceleration in

terms of the motion of the object, ie whether the object is increasing or

decreasing in speed and in which direction.

(c) If the object is at x=-1 m at t=1, find the position of the object at time t.

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