What is the net torque produced on a beam by a 5 N weight 2 m from the fulcrum to the left and a 10 N weight 4 m from the fulcrum to the right? A: 30 N m
B: 50 N m
C: -30 N m
D: -50 N m

Aregular polygon has angkes of size 150° each.how many side has the polygon

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.