Drayton Manor High School
Page 3
(a) Determine the speed of the pellet when it strikes the wooden block.
speed = ........................ m s
–1
(4)
(b) The wooden block is replaced by a steel block of the same mass.
The experiment is repeated with the steel block and an identical pellet. The pellet
rebounds after striking the block.
Discuss how the height the steel block reaches compares with the height of 0.63 m
reached by the wooden block. In your answer compare the energy and momentum
changes that occur in the two experiments.
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
(4)
(c) Discuss which experiment is likely to give the more accurate value for the velocity of
the pellet.
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
........................................................................................................................
(2)
(Total 10 marks)