若质量是60kg的人骑电动自行车在水平路面上以6m/s的速度匀速行驶时,受到的阻力是人与车总重的1/50倍,g=10N/kg,求:
— Mr. Hurst, could I join in your after-class activity from tomorrow on?
— Of course, Jenney. You can come every Tuesday and Friday afternoon.
读下列地图,回答问题。