H2P-58
Energy stores and transfers
H2 Physics · JC 1 · Hard · Energy stores and transfers
A 10 g lead pellet is fired into a steel plate at speed 200 m s⁻¹. Assume 40% of its kinetic energy is converted into thermal energy of the pellet only. The specific heat capacity of lead is 130 J kg⁻¹ K⁻¹. What is the temperature rise of the pellet?
- 62 K
- 31 K
- 16 K
- 124 K
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