# Question: In demonstrating a dance step a person moves in one

In demonstrating a dance step, a person moves in one dimension, as shown in Fig. 2.21. What are

(a) The average speed and

(b) The average velocity for each phase of the motion?

(c) What are the instantaneous velocities at t = 1.0 s, 2.5 s, 4.5 s, and 6.0 s?

(d) What is the average velocity for the interval between and t = 4.5 s and t = 9.0s?

(a) The average speed and

(b) The average velocity for each phase of the motion?

(c) What are the instantaneous velocities at t = 1.0 s, 2.5 s, 4.5 s, and 6.0 s?

(d) What is the average velocity for the interval between and t = 4.5 s and t = 9.0s?

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