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March 27, 2015

March 27, 2015

Posted by **Anonymous** on Monday, April 30, 2012 at 9:12pm.

(a) Find the initial speed of the bullet.

(b) How much kinetic energy is lost?

- physics -
**Elena**, Tuesday, May 1, 2012 at 8:30amm1 =0.0112 kg, v =?

m2 = 1.01kg, u = 4.4 m/s

The law of conservation of linear momentum

m1•v + 0 = (m1+m2) •u,

(a) v =(m1+m2) •u/m1.

(b) ΔKE = m1•v^2/2 – (m1+m2) •^2/2.

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