tion in a time tz. If she is the following. (Assume that time t2 s from the othe

Question

tion in a time tz. If she is the following. (Assume that time t2 s from the other end of the pool to the starting point. Use any variable or symbol Do not substitute numerical values; use variables only. Indicate the direction with the sign of your answer) (a) the first half of the swim (b) the second half of the swim (c) the round trip (d) What is her average speed for the round trip? average speed- Need Help? Read it A race car moves such that its position fits the relationship x - (6.0 m/s)t+ (0.65 m/s in meters and t in seconds

Explanation / Answer

a) vavg = L / t1 m/s

b) vavg = -L / t2 m/s

c) vavg = 0 m/s (Because displacement is zero)

d) vavg = 2L / (t1 + t2) m/s

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