Question

Question 13 (a) What does it mean to say that an object is dynamically balanced? How is this different to an object being statically balanced? [2 mark] b) A uniform solid cylinder of mass m- 2kg and diameter D 0.2m is resting against an inclined plane when it is struck by a 70g bullet. The cylinder is initially in contact with the plane at point A. The bullet was travelling horizontally at 350m/s and hits the cylinder at its midpoint. The bullet becomes embedded within the cylinder and the impact causes it to roll up the slope. Assume that the cylinder rolls without slipping. 350m/s CD 30° Explain why the collision does not conserve energy [2 marks] vi. Caleulate the angular velocity of the cylinder after the collision [3 marks] vii. Calculate the distance the cylinder travels up the slope before stopping [3 marks] v. You may assume that the bullet embeds itself at the center of the cylinder

Answer 1

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