jogger jogs around a circular track with a diameter of 225 m in 12 minutes. What was the jogger's average speed in m/s?

👨🏻‍🏫 學術台物理學

[匿名]

2015-08-30 6:02 pm

回答 (1)

andrew

2015-08-30 6:06 pm

Jogger's average speed

= (225π m) / (12 min)

= (225π m) / (12 × 60 s)

= 5π/16 m/s

≈ 0.981 m/s (to 3 sig. fig.)

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