ch 2-4 notes

# 37 analyze collisions in one dimension using the law

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3.7 analyze collisions in one dimension using the law of conservation of momentum. 3.8 apply Newton’s laws, the work-energy theorem, the relationship between impulse and momentum, and conservation of momentum to design and build a “crumple zone” that absorbs some of the energy of a vehicle during a collision. 3.9 apply Newton’s laws, the work-energy theorem Chapter 4 - Thrills & Chills 4.1 define, measure, and calculate displacement, acceleration, and velocity. 4.2 describe vectors and scalars, calculate kinetic energy and gravitational potential energy, and apply the conservation of energy to solve problems.

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4.3 apply kinetic energy, gravitational potential energy, and conservation of energy to roller- coaster rides and calculate spring potential energy. 4.6 explore the difference between rest weight and apparent weight using Newton’s laws, calculate apparent weight on a roller coaster, and analyze forces on a mass at rest and under acceleration. 4.7 recall Newton’s second law and explore how the centripetal acceleration depends on the radius of the curve and the velocity of the roller coaster and recognize the safety limit of acceleration for a roller coaster. 4.8 define work in terms of force and displacement, calculate the work done by a force acting in the direction of the displacement, and define power. 4.9 apply conservation of energy to solve problems and use the force and energy approach to understand different aspects of a roller-coaster ride. 4.10 apply concepts of centripetal force and energy to determine the forces acting on roller- coaster riders constrained by the safety criteria, and how to add thrills in a roller-coaster design.
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