IB Physics HL A 3 8 Mechanical Energy Transformations Topic Practice

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Study A.3.8—Mechanical energy transformations conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

[Maximum number: 2]

An elastic climbing rope is tested by fixing one end of the rope to the top of a crane. The other end of the rope is connected to a block which is initially at position A. The block is released from rest. The mass of the rope is negligible.

diagram not to scale

diagram not to scale

The unextended length of the rope is 60.0 m . From position A to position B, the block falls freely.

Question (a)

(a)

For the rope and block, describe the energy changes that take place

[ 2 ]

Question (i)

(i)

between A and B .

[ 1 ]

Question (ii)

(ii)

between B and C .

[ 1 ]
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