Can i get help with this problems Energy Skate Park: BasicsPHET. =PlaygroundFigure 4Table 2mass of skater: m = 50 kg,g = 9.80 m/s2PotentialKineticMechanicalHeight (y)Speed (v)PointEnergy (Ug)Energy (K)Energy (E)(m)(m/s)(J)(J)(J)8294016004540A414704001870В98022512052i- Calculate the ratio of the mechanical energy at B and mechanical energy at A (EB/EA) and (E/EB). What do these ratios tell you about the conservation of energy?ii- Is the mechanical energy conserved between A and B? Explainiii- Is the mechanical energy conserved between B and C? Explain

Given, Mechanical energy at A,EA=4540 J Mechanical energy at B,EB=1870 J Mechanical energy at C,…

i- Calculate the ratio of the mechanical energy at B and mechanical energy at A (E/EA) and (EJEB). What do these ratios tell you about the conservation of energy? ii- Is the mechanical energy conserved between A and B? Explain iii- Is the mechanical energy conserved between B and C? Explain

i- Calculate the ratio of the mechanical energy at B and mechanical energy at A (E/EA) and (EJEB). What do these ratios tell you about the conservation of energy? ii- Is the mechanical energy conserved between A and B? Explain iii- Is the mechanical energy conserved between B and C? Explain

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter11: Energy And Its Conservation

Section: Chapter Questions

Problem 98A

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Question

Can i get help with this problems

Energy Skate Park: Basics
PHET. =
Playground
Figure 4
Table 2
mass of skater: m = 50 kg,
g = 9.80 m/s2
Potential
Kinetic
Mechanical
Height (y)
Speed (v)
Point
Energy (Ug)
Energy (K)
Energy (E)
(m)
(m/s)
(J)
(J)
(J)
8
2940
1600
4540
A
4
1470
400
1870
В
980
225
1205
2
i- Calculate the ratio of the mechanical energy at B and mechanical energy at A (EB/EA) and (E/EB). What do these ratios tell you about the conservation of energy?
ii- Is the mechanical energy conserved between A and B? Explain
iii- Is the mechanical energy conserved between B and C? Explain

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