the lower and upper fixed points of a Mercury in glass is thermometer are marked Y and 180mm respectively. On a particular day the mercury meniscus in the thermometer rises to 45mm. If the corresponding reading on a celsius scale is 10 degree celsius, calculate the value of Y

50 inches should be the resultant vector

a.) travels faster in solids because the particles are closer together.

air is a gas water is a liquid

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.