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What does water do in the water cycle?
Gets evaporated into condensation. Water droplets get formed by the condensation & the more condensation gets added to the droplet, the heavier the droplet gets. When water droplets get heavy enough, they fall (this is called Precipitation). Water also gets evaporated from the trees (this is called Transpiration).
Is 81 degrees hot?
In the Fahrenheit scale, 81o is a warm summer day. In the Celsius scale it is a lot hotter (the weather on Earth never gets that hot, and we would be in very serious trouble if it did).
A 60- driver gets into an empty taptap to start the day's work The springs compress 0.02 What is the effective spring constant of the spring system in the taptap?
2.94×104
Could you think of some examples of dependent and independent variables?
Yes, an independent/dependant relationship to two things would be heat/volume when working with gas. The volume of object increases as an object gets hotter however an object does not get hotter if the volume increases therefore the volume is dependant on the heat, this makes the volume the dependant variable. Therefore the heat has to be the independent variable.
What are the examples in day to day life that air exerts pressure?
Take a tin can with a lid. Fill it approximately with half of water. Heat the can on a candle flame till the water boils. Let the water boil for a few minutes. Blow out the candle. Immediately put the lid tightly on the can. Be careful in handling the hot can. Put the can carefully in a shallow metallic vessel or a washbasin. Pour fresh water over the can.THE CAN GETS DISTORTED DUE TO THE AIR PRESSURE EXERTED.If you can't get a tin can, take a soft plastic bottle. Fill it with hot water. Empty the bottle and immediately cap it tightly. Place the bottle under running water.
