27.
Denny was playing on a swing as shown in the diagram below.
kinetic & potential
B.
No kinetic energy
no kinetic energy
Which one of the following statements is true when Denny swung from position A to
B and then to C?
(1) The potential energy at A, B and C are the same. X
(2) Potential energy was the highest at A and was lost at B. X
(3) Kinetic energy increased from A to B and again from B to C.
(4) Kinetic energy increased from A to B and decreased from B to C.
Answers: 3
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27.
Denny was playing on a swing as shown in the diagram below.
kinetic & potential
...
kinetic & potential
...
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