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Explain the motion and forces on a falling object as it approaches terminal velocity.

Key points for understanding: -The resultant force on the object is the vector sum of all forces on an object. - Acceleration is a rate of change of velocity. -Resultant force causes acceleration. Changes in...
KB
Answered by Kameron B. • Physics tutor
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dh/dt = (6-h)/20. When t=0, h=1. Show that t=20ln(5/(6-h))

Part 1: This question requires us to first do some rearranging. The right hand side of the equation is in terms of h, and we are looking to find t in terms of h, so it won't be appropriate to simply integrat...
LA
Answered by Linetta A. • Maths tutor
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Describe the military terms of the Treaty of Versailles. (4 Marks).

The Treaty of Versailles was a peace treaty which decided the fate of Germany after their loss in the First World War. It included a number of military restrictions to limit Germany's abilities to fight back...
LR
Answered by Laura R. • History tutor
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What is economic globalisation, and why is it controversial?

Economic globalisation refers to the increasing interconnectedness between economies into a global economy which largely follows shared rules, aims and principles. This has been illustrated through the emerg...
JR
5570 Views

How do you integrate (sinx)^3 dx?

Firstly, we must use the special property of trig functions which means that (sinx) n is the same as sin n x. Likewise, (cosx) n =cos n x, (tanx) n =tan n x and so on. In this case, we need to start by repla...
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Answered by Shanti S. • Maths tutor
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