One end of an elastic climbing rope is fixed 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.
The full length of the rope is 60.0 m. From position A to B, the block falls freely.
Calculate the speed of the block at position B.
At position B the rope starts to extend. Position C is the point at which the rope is fully extended. Describe the motion of the block between position B and C.
Between position B and C the resultant force on the block changes, because the tension in the rope increases as the rope extends.
State and explain whether a SUVAT equation can be used to determine the distance the block falls between position B and C.
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