Solving Momentum Problems

In A, it bounces right back to retrace its path; in B, it bounces diagonally (path shown in dotted line).The initial speed of the ball is the same in both cases and no energy is lost in either collision. (A) There is not enough information to determine which case has a greater change in momentum (B) The change in the ball’s momentum is zero for both cases (C) The change in the ball’s momentum is greater for case A than for B (D) The change in the ball’s momentum is the same in both cases (but not zero) (E) The change in the ball’s momentum is greater for case B than for A – Breaking down the problem statement and final answer: It says the correct answer is C, the change in the ball’s momentum is greater for case A than for case B.

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In just one week, Marines and other service members were presented the opportunity to learn a wide variety of problem solving skills using science, engineering, and technology.

“We believe you have to have a better understanding of different problem solving techniques, and not just the one that you’re good at.” Innovation Boot Camp, operating within The Garden by Building Momentum, allows access to all the equipment and technology to support the course.

Inside the walls of the workshop, are wood, metal, and electronic workshops, which are accessible to students, artists and engineers.

“It is not too difficult to become a good problem solver, but a Ph. engineer will not know the difficulties of being an infantryman,” he explained further.

Marines attending had to put their knowledge to the test during their culminating event.

Right off the bat we notice that in case A the ball is bouncing directly back in the horizontal direction, whereas in case B it’s taking a ricochet off the wall. – How conservation of energy is used to determine the initial and final velocity: We know that energy is conserved, what does that mean?

If we remember, that means that the energy in equals the energy out. Because the mass stays the same, this implies that the initial velocity and final velocity of the ball in both cases are equal.

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