The pendulum is released from rest when θ = 0°. If the string holding the pendulum bob bre...

The pendulum is released from rest when θ = 0°. If the string holding the pendulum bob breaks when the tension is twice the weight of the bob, at what angle does the string break? Treat the pendulum as a particle, ignore air resistance, and let the string be inextensible and massless.

Figure P4.34