9. you drive a car from milwaukee to chicago, which is a distance of 150km and it takes you 95
min. what is its velocity in km/hr and m/s?

For this case we have to, by definition:

Where:

v: It's the velocity

x: It is the distance traveled

t: It is the time spent

1 hour equals 60 minutes and 1 minute equals 60 seconds.

On the other hand:

1 kilometer equals 1000 meters

So:

On the other hand:

b.

explanation:

10.0

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.