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How to solve horizontally-launched projectile motion problems using equations of motion?

Projectile motion questions are common in A-level physics as they combine the idea of resolving vectors into their components and using the equations of motion ('suvat' equations) to calculate unknown quanti...
AC
Answered by Amy C. • Physics tutor
65921 Views

What do universities like to see in a personal statement?

Personal statements involve cramming your achievements, hobbies and personality in a mere 4000 characters. At this nerve wracking time it is most likely very difficult to see what you should include or not i...
BS
3454 Views

How do I express y=acosx+bsinx in the form y=Rcos(x-c)?

From the addition formula, we know that: Rcos(x-c) = Rcos(x)sin(c)+Rsin(x)cos(c) Therefore: acos(x)+bsin(x) = Rcos(x)cos(c)+Rsin(x)sin(c) If we equate the coefficients of cos(x) and sin(x) we see that: acos(...
DR
Answered by Daniel R. • Maths tutor
27531 Views

What are the 'rules' of oscillation?

-Velocity is largest at the centre -Acceleration is greatest at the Amplitude -Restoring Force is greatest at the amplitude -Elatsic Potential Energy is greatest at the amplitude -Kinetic Energy is greatest ...
KD
Answered by Katie D. • Physics tutor
9183 Views

How do I test for the presence of a carboxylic acid?

Add NaHCO 3 or K 2 CO 3 the reaction will produce CO 2 i.e Bubbles!
KD
Answered by Katie D. • Chemistry tutor
7602 Views