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sean_urg
Sep 9, 2009, 09:17 AM
QUESTION: a 2.50g bullet traveling at a speed of 425m/s, strikes the wooden block of a ballistic pendulum.the block has a mass of 215g.
a.)find the speed of the bullet/block combination immediately after the collision.
b.)how high does the combination rise after the collision?

Unknown008
Sep 12, 2009, 01:05 AM
For a) use the principle of conservation of momentum,

m_1u_1 + m_2u_2=m_1v_1+m_2v_2