Problem 6.20 An air hockey puck of mass 2M collides in a glancing collision with a puck of mass M. The heavier puck had an initial velocity of 8 m/s and comes off at an angle of 30 after the collision. Determine the velocity and direction of the lighter puck. Assume an elastic collision.
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- A 4.0 kg ball moving to the right at 5.0 m/s collides head-on with a stationary 2.0 kg. If the collision is elastic, determine the direction and speed of each ball after the collision.A ball moving at 10 m/s makes an off-center elastic collision with another ball of equal mass that is initially at rest. The incoming ball is deflected at an angle of30° from its original direction of motion. Find the velocity of each ball after the collision.Two blocks, m1 = 1.50 kg and m2 = 3.00 kg, are traveling to the right along africtionless surface. Block m1, moving 4.00 m/s, catches up to block m2, moving 2.50 m/s, and the two blocks undergo an elastic collision.(a) Determine the velocity of each block after the collision. (b) Prove that the collision was, in fact, elastic.
- Object A traveling east at 8.47 m/s collides with object B traveling west at 2.43 m/s. Object A has mass 2.82 kg and object B has mass 8.24 kg. The collsion takes place in one dimension, and is totally inelastic. Taking east to be positive, find the velocity of object A (in m/s) after the collision.A 70.0 kg ice hockey goalie, originally at rest, has a 0.280 kg hockey puck slapped at him at a velocity of 41.5 m/s. Suppose the goalie and the puck have an elastic collision, and the puck is reflected back in the direction from which it came. What would the final velocities of the goalie and the puck, respectively, be in this case? Assume that the collision is Ugoalie and Upuck completely elastic. Ugoalie Upuck= 0.14 Incorrect -5.38 Incorrect m/s m/s8.33 A 2 kg block is moving at a speed of 10 m/s and makes a perfectly elastic collision with a second block of mass MM, which is initially at rest. After the collision, the 2 kg block bounces straight back at 3 m/s. Determine the mass M of the second block. Express your answer with the appropriate units. Determine the speed of the second block after the collision. Express your answer with the appropriate units.
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