2. 2. A 20 kg child climbs to the top of a slide that is 3...

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2. 2. A 20 kg child climbs to the top of a slide that is 3 m above the ground level. She starts from rest and slides down the incline. a. Define and model the energy of the system with Energy Bar Charts when the child is at the top of the slide and again at the bottom. Use these to set up the calculations. b. Determine the change in gravitational energy of the child-Earth from the top of the slide to the bottom of the slide. c. Assuming no friction what would the kinetic energy of the child be at the bottom? B 2. 2. A 20 kg child climbs to the top of a slide that is 3 m above the ground level. She starts from rest and slides down the incline. a. Define and model the energy of the system with Energy Bar Charts when the child is at the top of the slide and again at the bottom. Use these to set up the calculations. b. Determine the change in gravitational energy of the child-Earth from the top of the slide to the bottom of the slide. c. Assuming no friction what would the kinetic energy of the child be at the bottom? B