Constants Part A Anita is running to the right at 5.0 m/s, as shown in the figur

Question

Constants 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 using two significant figures, You may want to review (Page 79) m/s Submit Request Answer - Part B According to Anita, what is the speed of the second bai? Express your answer using two significant figures Figure 1 of 1 m/s 10 m/s 10 m/s Submit Request Answer Provide Feedback

Explanation / Answer

(a)

The relative speed of an object with respect to observer moving in same direction is,

vrs = v - vo

Here, v is the speed of the object, and vo is the speed of the observer.

vrs = 10 - 5

vrs = 5 m/s

(b)

The relative speed of an object with respect to observer moving in opposite direction is,

vrs = v - (-vo) = v + vo

vrs = 10 + 5

vrs = 15 m/s

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