PHY 201 Lecture Notes - Lecture 7: Dissociation Constant, Escape Velocity, Gho
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1 work independent on path gravitational force lelastic force. Fey ) =d = - mg ( gravity points t ) y. Uftkf ex ) qyh person dropping a ball u=mgh k=imv. 36-70=01 v=rgh/e=utk=mgh= mad t u=m /k=m =m k=ztnvz=mgh v=tgh so. H9h=imx so v= rags x. a ex ) ex ) Hoff go. mg back a is ) kinetic "t. Imre . tzmvi ex ) two equal mass stars. Our: why don"t the two stars crash into eachother of (b)m a) stars gravitational force q u. F reason they rotate w constant speed t centripetal force due to gravitational pull so m=u ="a= ayfiy. 18kg frictionless box: om up incline a) b) c ) d) work by. Eidso9u9cs. omsccos327-b403o@bjmg. d a) w= t: wnormal, wnet force cos. Ccd : vd mgh instead fun from far. 1300kg car moving on horizontal surface has v. 80km/h strikes spring t brought to rest distance. I ( 1300kg ) ( 22. 2 mls )