IB Physics HL A 3 7 Mechanical Energy Conservation Topic Practice

CourseCourseConceptConceptDocsDocuments

Learn this topic

Study A.3.7—Mechanical energy conservation 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.

At position B the rope starts to extend. Calculate the speed of the block at position B.

All question bank results loaded