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Give two features of polar orbits. Suggest the use of a satellite in a polar orbit.

-They have a period of 24 hours -They lie above the equator A satellite in a polar orbit could be used for various things such as weather forecasting, GPS, to provide network services such as internet and mo...
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Answered by Zahra M. • Physics tutor
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I struggle with exam timing and as a result I always run out of time before finishing the paper. How can avoid this in the future?

This is a fairly common problem across many A level subjects but in my experience particularly amongst those taking biology papers. Whilst there are several strategies to counteract this, such as prioritisin...
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Answered by Rory C. • Biology tutor
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t=−3 , find t^2−2t−1

we need to substitute the value of 't' in the equation. we are given the value of 't'. it is equal to 3. Now, substitutting 3 in the place of 't' within the equation gives: (3)^2 - 2(3) - 1 = (3 x 3) - (2 x ...
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Answered by Dhwani P. • Economics tutor
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Explain the law of demand with the help of a diagram.

Demand can be defined as the willingness and ability of a consumer to purchase a good or service.The law of demand states that the quantity demanded of a good or service increases as its price decreases and ...
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Answered by Dhwani P. • Economics tutor
11845 Views

What are negative externalities of consumption? Explain with a diagram.

An externality is any effect on a third party caused by actions and transactions that don't directly involve them. Negative externality of consumption can be defined as the cost imposed on the third party du...
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Answered by Dhwani P. • Economics tutor
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