A 20-g bead is attached to a light 120 cm-long string as shown in the figure. If the angle α is measured to be 18°, what is the speed of the mass?
A)0.55 m/s
B)2.0 m/s
C)3.8 m/s
D)1.3 m/s
E)1.1 m/s

Question

A 20-g bead is attached to a light 120 cm-long string as shown in the figure. If the angle α is measured to be 18°, what is the speed of the mass? 
A)0.55 m/s 
B)2.0 m/s 
C)3.8 m/s 
D)1.3 m/s 
E)1.1 m/s

Quizplus · Accepted Answer

The Answer of A 20-g bead is attached to a light 120 cm-long string as shown in the figure. If the angle α is measured to be 18°, what is the speed of the mass? 
A)0.55 m/s 
B)2.0 m/s 
C)3.8 m/s 
D)1.3 m/s 
E)1.1 m/s

A 20-G Bead Is Attached to a Light 120 Cm-Long