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Imagine a ball rolls off a set of stairs with horizontal velocity, u; the stairs have a height, h and length of l. Find a formula for which step the ball will hit, n.

We set up equations in horizontal and vertical directions assuming constant acceleration due to gravity, g. It is always useful to draw a diagram to see what's going on. Using the SUVAT formula of s = ut...

Answered by Joshua B. • Physics tutor

2077 Views

Describe how reduced NADP and ATP is produced during the light-dependent stage of photosynthesis.

ATP is produced during both cyclic and non-cyclic photophosphorylation.During cyclic photophosphorylation, a photon of a wavelength 700nm hits a chlorophyll molecule in PS1 and excites a single electron. ...

Answered by Harison S. • Biology tutor

19687 Views

What are the key features of Kantian deontology and what problems do they pose?

Deontological ethical theories are rule based with strict ideas of right and wrong. Kant considered humans to be autonomous beings, capable of reason and thereby able to construct and impose their own eth...

Answered by Harriet S. • Philosophy tutor

22326 Views

How is the liver adapted to regulating blood component concentrations?

Sinusoids are chambers within the liver where deoxygenated blood from the gut (containing products of digestion) and oxygenated blood from the heart, mix. Sinusoids are lined with liver cells (

Answered by Sana Z. • Biology tutor

4035 Views

Describe, using the fluid mosaic model, the structure of the cell membrane in animal cells.

The cell membrane is composed of phospholipid molecules. These have a hydrophobic head and a hydrophilic tail. The molecules arrange themselves in a bilayer so that the hydrophobic heads point outwards an...

Answered by Morgan G. • Biology tutor

3422 Views