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A parachutist jumps out of a plane at height h. She is subject to air resis- tance with a force of −αv2. The equation of her motion is given bymdv/dt =mg−αv^2 What are the units of α?Calculate the terminal v...
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Answered by Matthew S. • PAT tutor
4146 Views

Describe the characteristics and explain the formation of one or more intrusive volcanic features (June 2016)

Batholiths are the largest example of intrusive volcanic features, when magma enters the earths crust without enough pressure to break the surface, it pools to form a roughly spherical lump of rock often mor...
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Answered by Lizzy M. • Geography tutor
7442 Views

Translate into Spanish - I went to the cinema yesterday and I did not do my homework.

Fui al cine ayer y no hice mis deberes.
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Answered by Emma A. • Spanish tutor
2781 Views

What is the difference between a scalar and a vector quantity?

A Scalar quantity has magnitude, but not direction. For example Speed is a scalar quantity.A Vector quantity has both direction and magnitude. For example Velocity is a vector quantity.
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Answered by Nathan G. • Physics tutor
2900 Views

There are 7 blue pens, 4 green pens and 6 red pens in a box. One pen is taken at random from the box. Write down the probability that this pen is blue

First of all you need to work out the total number of pens. 7+4+6=17. How many of these 17 pens are blue? 7. If you pick one pen out of the 17, 7 of them would be blue. To work out the probability, you need ...
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Answered by Tobias H. • Maths tutor
19351 Views