Well if I did the math correctly it should be B) <span>9√5</span>
Answer:
Pendulum will swing by an angle 0.666π
Step-by-step explanation:
We have given arc = 
And length of the pendulum l = 150 cm
Length of the pendulum will be equal to radius of the pendulum so r = 150 cm
Arc is given by 
So 

So pendulum will swing by an angle 0.666π
The graph is shown below.
The pounds is 1.875 I'm not sure about oz
Yo my bro the answer is 7621