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How do I calculate the speed of the International Space Station moving in a circular orbit around the Earth?

Just equate the centripetal force and gravitational force acting on the ISS and find v. P. S. Google the radius and mass of the Earth, the distance to the ISS from the ground, the mass of the ISS and the con...
ED
Answered by Eimantas D. • Physics tutor
9432 Views

How do you prepare a speaking exam? (unit 1)

You have 15 minutes for preparation. Spend the first 2-3 minutes to read the passage as well as the bullet points. Spend around 1-2 minutes to jot down notes for each bullet points. Try to get as much ideas ...
CW
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What is a liquidity trap?

Under normal circumstances, when there is an increase in the money supply the interest rate should decrase because money is more abundant hence the cost of borrowing is low. In a liquidity trap the interest ...
ML
Answered by Maria L. • Economics tutor
4555 Views

Could you explain the Marshall Plan and Truman Doctrine? What is the difference?

The Truman Doctrine and Marshall Plan were two seperate parts of United States foreign policy during the Cold War. I like to think that the Marshall Plan was part of the Truman Doctrine. It's easiest to unde...
FK
Answered by Fin K. • History tutor
17429 Views

How does information from a gene make a protein?

A gene is defined as a section of DNA that codes for a protein. Within a gene you have triplets which are 3 bases in a row that code for a specific amino acid . However there might be many triplet codes per ...
GM
Answered by Georgina M. • Biology tutor
5127 Views