A resistance of 79 ohms has a current of 0.13 A through it. What is the voltage of the battery in volts? a) 10.27 volts
b) 607.7 volts
c) 0.0016 volts
d) 120 volts
a
А
b
B
C С
d
D

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?