Part A Anita is running to the right at 5.0 m/s, as shown in the figure. Balls 1 and 2 thrown toward her at 10 m/s by friends standing on the ground. (Figure 1) According to Anita, what is the speed of the first ball? Express your answer in meters per second. ν ΑΣφ ? v1 = m/s Submit Request Answer Part B According to Anita, what is the speed of the second ball? Express your answer in meters per second. v2 = m/s Submit Previous Answers Request Answer X Incorrect; Try Again Provide Feedback Figure 1 of 1 > 10 m/s 10 m/s 5 m/s

A cat walks in a straight line, which we shall call the -axis, with the positive direction to the right. As an observant physicist, you make measurements of this cat's motion and construct a graph of the feline's velocity as a function of time (Figure 1). I. Calculate the area under the graph between t = 0 and t = 6.0 s. (Express your answer to two significant figures and include the appropriate units.) II. For the time interval t = 0 to t = 6.0 s, what is the magnitude of the average velocity of the cat? (Express your answer to two significant figures and include the appropriate units.) III. Use constant-acceleration equations to calculate the distance the cat travels in this time interval. (Express your answer to two significant figures and include the appropriate units.)

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Problem-Solving Technique: Draw a labeled picture. Put a coordinate system on the picture indicating the location of the origin and the positive direction. Show the solution in a step-by-step orderly fashion. Write any equation you use in symbolic form before substituting in numbers. 1. Ann is traveling at 30 m/s (80 mi/hr) west when she passes a police car. She immediately begins slowing down at a rate of 2.5 m/s for 4 seconds. How far has she traveled for this time? a. Fill in the information that is given in the problem. Put a question mark for any quantity that is not given in the problem. Vox = v. = b. Determine the distance she traveled in this time. Start with the equation in sy numbers you used including units. olic form and show the