In which source of water would a wave travel the fastest? ice cold room temperature hot

hot

Explanation:

The water will travel the fastest from a hot source. The reasons for this are several. The hot water is less dense, thus it is lighter. Being lighter makes it easier for the water to move, thus it reaches higher speeds. Also, the hot water is under higher pressure and has more energy in it that drives it, and that combined with the lesser density makes it faster. This can easily be noticed with the warm and cold ocean currents, with the warmer ones being faster slightly faster than the cold ones, as the cold ones require more energy to moved.

hot

Explanation:

hot

d.) circle motion requires a force to give it a centripetal acceleration.

a mercury barometer is a device that uses the physical properties of mercury in a tube to measure barometric pressure. mercury barometers are used for : -

1. measurement of atmospheric pressure  

2. determining the altitude of a place

3. weather forecasting

4. calibration and checking of aneroid barometers

5. application in fluid mechanics

6. measurement of pressure in aircrafts

7. surface weather analysis

8. preparation of barographs

9. usage in physical sciences like physics, astronomy & chemistry

10. preparation of aircraft altimeters

characteristics of mercury barometer : -

1.used to define and measure atmospheric pressure.

2.on the average at sea level the column of mercury rises to a height of about 760 mm.

3.this quantity is equal to 1 atmosphere.

4.it is also known as standard atmospheric pressure.

5.a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.