a solid cylindrical flywheel is 1.2m in diameter and has a mass of 910kg.If the axle is 150mm i...
a solid cylindrical flywheel is 1.2m in diameter and has a mass of 910kg.If the axle is 150mm i...
a solid cylindrical flywheel is 1.2m in diameter and has a mass of 910kg.If the axle is 150mm in diameter and the coefficient of journal friction is 0.15,find the time required for the flywheel to coast to rest from speed of 500rev/min.
a solid cylindrical flywheel is 1.2m in diameter and has a mass of 910kg.If the axle is 150mm in diameter and the coefficient of journal friction is 0.15,find the time required for the flywheel to coast to rest from speed of 500rev/min.
英語人氣：836 ℃時(shí)間：2020-04-22 21:37:39
優(yōu)質(zhì)解答
不清楚coast ,rest from正確含義,故僅為個(gè)人理解,僅供參考.“一個(gè)立體圓柱飛輪,直徑為1.2米,質(zhì)量為 910千克.假如輪軸的直徑是150毫米,摩擦系數(shù)是0.15,請(qǐng)計(jì)算出飛輪達(dá)到500轉(zhuǎn)/分鐘的速度所需要的時(shí)間.”
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