(a)
Interpretation:
The speed of head of the hammer at which it must be travelling at the moment of impact to ring the bell is to be calculated.
Concept introduction:
The kinetic energy of the hammer is calculated by the formula,
The transfer of energy from hammer to the metal ball takes place when a pedal is hit hard by a hammer. The speed of metal ball can reduce if the friction between metal ball and surface of the pole is more.
(b)
Interpretation:
The three assumptions made to solve Part (a) and their impact on solution is to be stated.
Concept introduction:
The kinetic energy of the hammer is calculated by the formula,
The transfer of energy from hammer to the metal ball takes place when a pedal is hit hard by a hammer. The speed of metal ball can reduce if the friction between metal ball and surface of the pole is more.
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