Explain why:(a) Air is used to inflate tyres.
The explanation for reasons why air is used in tyres:
Therefore, Air is used to inflate tyres.
why air is used to inflate tyres?
and
why steel is use dto make railway lines
The manual of a car instructs the owner to inflate the tyres to a pressure of 200kPa.If after the required inflation of the tyres the car is driven to a mountain peak,where the atmospheric pressure is 10% below that at sea level,what will tyre gauge pressure read?(Assuming the absolute pressure of the tyre remaing same.