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Category: Gravitation

A-metal-sphere-has-radius-R-and-mass-m-A-spherical-hollow-of-diameter-R-is-made-in-this-sphere-such-that-its-surface-passes-through-the-centre-of-the-metal-sphere-and-touches-the-outside-surface-of-t

Question Number 173558 by MadhumitaSamanta last updated on 13/Jul/22 AmetalspherehasradiusRandmassm.AsphericalhollowofdiameterRismadeinthisspheresuchthatitssurfacepassesthroughthecentreofthemetalsphereandtouchestheoutsidesurfaceofthemetalsphere.Aunitmassisplacedatadistancefromthecentreofthemetalsphere.Thegravitationalfieldatthatpointis$$\left(\mathrm{a}\right)\:\frac{{GM}}{{R}^{\mathrm{2}} }\:\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{8}\left(\mathrm{1}−\frac{\mathrm{2}{R}}{{a}}\right)^{\mathrm{2}} }\right) \

an-elevator-of-mass-250kg-is-carrying-3-person-whose-masses-60kg-80kg-100kg-and-the-force-exacted-by-the-motion-is-5000N-a-With-what-acceleration-will-the-elevator-ascend-b-Starting-from-rest-how

Question Number 32158 by omoosun last updated on 20/Mar/18 anelevatorofmass250kgiscarrying3personwhosemasses60kg,80kg,100kgandtheforceexactedbythemotionis5000N.a)Withwhataccelerationwilltheelevatorascendb)Startingfromrest,howfarwillitgoin5s.(accelerationtogravityG=9.8ms2). Terms of Service Privacy Policy Contact:…