nd 9 the huna body is y stub yor toe in the s the nerve impulse to ua ravel to your brain. A person walks first at a constant speed of 5.00 / along a straight line from point (A) to point (B) and then back along the line from ⑧ to (A) at a constant speed of 3.00 m/s. (a) What is her average speed over the entire rip? (b) What is her average velocity over the entire trip? A particle moves according to the equation 102 where x is in meters and is in seconds. (a) Find the average velocity for the time interval f 2.00 s to 3.00 s. (b) Find the average velocity for the time inter val from 2.00 to 2.10 s. The position of a pinewood derby car was observed at various times; the results are summariedi e ol lowing table. Find the average velocity of the car for (a) the first second, (b) the last 3 s, and (c) the entire period of observation. t (s) 0 1.0 2.0 3.0 4.0 5.0 x (m) 0 2.3 9.2 20.7 36.8 57.5 Section 2.2 Instantaneous Velocity and Speed The position of a particle moving along the x axis var- ies in time according to the expression31. where x is in meters and t is in seconds. Evaluate its position al at t-00 saud (bl at .00s At, (c) Evaluate the

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