Recent content by fifipaws

  1. F

    Ballistic bullet pendulum conservation of momentum problem

    Homework Statement A 15 g bullet is fired into a 2.55 kg block that is hanging by a 2.0 m long string. The speed of the bullet is 425 m/s. Calculate the angle when the system reaches its maximum height?Homework Equations m1v1=(m1+m2)vf (1/2)mv^2=mghThe Attempt at a Solution (0.015 kg)(425...