A Simple Pendulum,2

question 57

Multiple Choice

A simple pendulum,2.0 m in length,is released with a push when the support string is at an angle of 25° from the vertical.If the initial speed of the suspended mass is 2.0 m/s when at the release point,what is its speed at the bottom of the swing? (g = 9.8 m/s²)

• A) 2.3 m/s
• B) 2.6 m/s
• C) 2.8 m/s
• D) 0.5 m/s