History Bookmarks Window Help 0 edugen wiley.com Retum to Blackboard day, Fundam

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History Bookmarks Window Help 0 edugen wiley.com Retum to Blackboard day, Fundamentals of Physics,10e RCES r of Chapter 09, Problem 049 Your answer is partially correct. Try again. ent A bullet of mass 4.9 g strikes a bellistic pendulum of mass 3.4 ko. The center of mass of the pendulum rises a vertical distance of 8.2 em. Assuiming that the buflet remains embedded in the pendulum, calculate the bullet's initial speed. Number t 46E2 The number of significant digits is set to 2, the tolerance is +/-2% Clck if you would like to Show Work for this question: Qpen Show Wark blem blem By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Pollcy set by your instructor Question Attempts: 2 of 5 used SA.. LATTA Earn Maximum Points availiable only if you answer this question cormectly in three attempts or less. sby Stady

Explanation / Answer

By energy conservation after collision,

velocity just after collision, v = sqrt(2gh) = sqrt(2*9.8*0.082) = 1.268 m/s

Now by momentum conservation during collision,

mu = (M+m)v

u = (M+m)v/m = (3.4+0.0049)*1.268/0.0049

= 881 m/s answer

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