Ballistic Pendulum · F=ma 2015 #10

Physics · momentum-collisions · energy-work

Problem

A bullet (

m = 10\;\text{g}

) embeds in a wooden block (

M = 2.0\;\text{kg}

) suspended by a string (

L = 1.0\;\text{m}

). The block swings to height

h = 0.050\;\text{m}

. Find the bullet's initial speed. Use

g = 9.8\;\text{m/s}^2