Recent content by Jjolly65

  1. J

    Calculating Force: Rifle & Wood Bullet Impact

    Homework Statement A rifle with a barrel length of 50.86 cm fires a 7.06 g bullet with a horizontal speed of 449 m/s. The bullet strikes a block of wood and penetrates to a depth of 12.9 cm. What resistive force (assumed to be constant) does the wood exert on the bullet? 5516.6785...
  2. J

    Calculating Ball Impact Speed: Solving the Physics Problem

    How do I find the vertical component then? I found the hieght of the cliff to be 5.99m and the max height of the ball in the air would be 18m... I don't know if that helps...
  3. J

    Calculating Ball Impact Speed: Solving the Physics Problem

    Homework Statement A ball is thrown toward a cliff of height h with a speed of 23.88 m/s and an angle of 52° above horizontal. It lands on the edge of the cliff 3.49 s later. What is thy ball impact speed? 2. The attempt at a solution shouldnt it be Vx= Vo*cos(theta) Where...