Find the magnitude of the block\'s velocity justafter impact. Find the magnitude

Question

Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact. Find the magnitude of the block's velocity justafter impact.

Explanation / Answer

Mblock=.992kg K=.650/.003=216.7 N/m
start by finding the velocity of the bullet block system withconservation of energy. .5kx^2=.5mv^2
v=sqrt(k*x^2)/m
v=2.21m/s
Now find the the velocity of the bullet with conservation ofmomentum
mbulletVbullet+mblockVblock=(m+m)v
mV+0=(m+m)v
V=((m+m)*v)/m
V= ((.992+.008)*2.21)/.008
V=276 m/s

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