16. A steel ball of mass 0.33 kg moving with a velocity 2.50 m/s strikes a second ball of mass 0.250 kg initially at rest. The collision is a glancing one, causing the first ball to be deflected by an angle of 22.5°, with a speed of 1.25 m/s. Determine the velocity of the second ball after the collision, giving both its speed and direction Draw a diagram, explain what you are doing a Before the collision After the collision

16. A steel ball of mass 0.33 kg moving with a velocity 2.50 m/s strikes a second ball of mass 0.250 kg initially at rest. The collision is a glancing one, causing the first ball to be deflected by an angle of 22.5°, with a speed of 1.25 m/s. Determine the velocity of the second ball after the collision, giving both its speed and direction Draw a diagram, explain what you are doing a Before the collision After the collision

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter8: Momentum And Collisions

Section: Chapter Questions

Problem 32P

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In Section 1.4, we considered the collision of a karate expert’s hand with a concrete block. Based on the graphs in Figure 1.31, the initial downward speed of the fist with mass 0.75 kg is about -13 m/s and the collision time is approximately 25 ms. Find the impulse and the average force exerted on the block by the fist during the collision.
a man of mass m1 = 70.0 kg is skating at v1 = 8.00 m/s behind his wife of mass m2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance. (a) Sketch the problem with before-and-after diagrams, representing the skaters as blocks. (b) Is the collision best described as elastic, inelastic, or perfectly inelastic? Why? (c) Write the general equation for conservation of momentum in terms of m1, v1, m2, v2, and final velocity vf. (d) Solve the momentum equation for vf. (e) Substitute values, obtaining the numerical value for vf, their speed after the collision.
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