Karla is riding vertically in a hot air balloon, directly over a point P on the ground. Karla spots a parked car on the ground at an angle of depression of 25°. As her balloon ride continues, she rises 50m and sees the car again, now the angle of depression to the car is 30°. How far is the car from point P?

The chemistry of class 11th includes the basic rules and concepts that is required in daily life, for further educational purposes, it also helps to get some knowledge about the topics on which the work will be done further.

It includes some basic concepts of chemistry which helps to know the concepts of organic compound, in organic compound, metals, non metals.

The class 11th chemistry also helps the person know about some other compounds like radioactive compounds and its application in research field.

The basic reactions, types of reaction and compounds that takes place in our daily life.

This subject also helps individual in better understanding of the other subjects related to chemistry.

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