The barometric height in atown is 70 cmHg given that standard atmospheric pressure is 76 cmHgand density of mercury is 13600kgm determine altitude of town

e) none of the above answers are correct

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.

a.   mass number from atomic number

option number c is the right answer.