A simple pendulum, consisting of a mass m, is attached to the end of a 1 yd length of string, as shown in Figure 5-7.
Figure 5-7

If the mass is held out horizontally, and then released from rest, its speed at the bottom of the swing is about
A) 1.3 m/s.
B) 4. m/s.
C) 10. m/s.
D) 2. m/s.
E) 30. m/s.

Question

A simple pendulum, consisting of a mass m, is attached to the end of a 1 yd length of string, as shown in Figure 5-7.
Figure 5-7
 
If the mass is held out horizontally, and then released from rest, its speed at the bottom of the swing is about
A) 1.3 m/s. 
B) 4. m/s. 
C) 10. m/s. 
D) 2. m/s. 
E) 30. m/s.

Quizplus · Accepted Answer

The Answer of A simple pendulum, consisting of a mass m, is attached to the end of a 1 yd length of string, as shown in Figure 5-7.
Figure 5-7
 
If the mass is held out horizontally, and then released from rest, its speed at the bottom of the swing is about
A) 1.3 m/s. 
B) 4. m/s. 
C) 10. m/s. 
D) 2. m/s. 
E) 30. m/s.

A Simple Pendulum, Consisting of a Mass M, Is Attached