Exer. 30.1
Exer. 30.2
Exer. 30.3 Black hole temperature
Exer. 30.4
Exer. 30.5
Exer. 30.6
Exer. 30.7
Exer. 30.8
Exer. 30.9
Exer.30.10 Gravitational time dilation
Exer. 30.11
Exer.30.12 Uncertainty in ∂/∂t from energy to move mass distribution away from its potential
Exer.30.12 An easier proof
Exer. 30.12 Another solution
Exer.30.13 A free particle can't be in an energy eigenstate
Exer. 30.14