The speed limit on Highway 85 is 65 mi/h. What is it in m/s?

It is 65 miles per hour, that's to say if you are going to drive for an hour you will travel 65 miles. or if you travel 65 miles you have been driving for an hour.

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.