Mathematics, 10.07.2021 20:50 estherdinhllama

Inge is competing in a 400 m race. She runs at a constant speed of 4.6 m/s for the first 150 m, then 4.2 m/s for 40 seconds. The remainder of the race takes her 38 seconds to complete. What is Inge's average speed for the entire race to 1 dp?

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Inge is competing in a 400 m race. She runs at a constant speed of 4.6 m/s for the first 150 m, then...