(a) Determine the speed (in m/s) of the mass at points B, C, D. (For each answer, enter a number.) point B m/s 3.87 x Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. m/s point C 2.23 x Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. m/s point D

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Hi I need help with part C and D please! 

A 2.0 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy shown in the figure below.
PE
A
30 J
25 J
20 J
15 J
10 J
5 J
B
2 m
4 m
6 m
8 m 10 m
(a) Determine the speed (in m/s) of the mass at points B, C, D. (For each answer, enter a number.)
point B
m/s
3.87
X Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. m/s
point C
2.23
X Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. m/s
point D
Transcribed Image Text:A 2.0 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy shown in the figure below. PE A 30 J 25 J 20 J 15 J 10 J 5 J B 2 m 4 m 6 m 8 m 10 m (a) Determine the speed (in m/s) of the mass at points B, C, D. (For each answer, enter a number.) point B m/s 3.87 X Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. m/s point C 2.23 X Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. m/s point D
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