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Two pendulums consist of a massless rigid rod of equal length attached to a small sphere of equal radius, with one sphere hollow for one pendulum and the other solid. Each pendulum undergoes damped SHM. Which pendulum has the largest time period?

This question requires a qualitative answer seeing as we do not have an expression for the time period of a pendulum undergoing damped SHM. This is what the examiners will be expecting.There are a few differ...
CG
Answered by Callum G. • Physics tutor
2379 Views

Calculate the number of moles in 23.0g of CO2? ( relative atomic mass : Carbon=12, Oxygen=16)

Firstly we need to work out the molecular mass of CO 2 . There is one carbon and two oxygens so we have to add the relative atomic mass (Ar) of one carbon and two oxygens. From the question we know the A r o...
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Answered by Dilan B. • Chemistry tutor
7561 Views

Solve the equation (2x-1)/3 + (x+2)/2 +x/6 = 8

The first thing you want to do is to get rid of the fractions,Multiplying everything by 6 will help you do this You must multiply every fraction by 6 and also everything you do to the left hand side, you mus...
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Answered by Niamh M. • Maths tutor
6275 Views

given that f(x) = x^4 + 2x, find f'(x)

This is a simple differentiation question where we just differentiate by taking the power of the x and bringing that in front as a constant and then taking 1 off the power. So for the first term, x^4, we bri...
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Answered by Sheheryar F. • Maths tutor
4950 Views

Tus opiniones sobre tu vida en el colegio

This is a basic GCSE writing question that surfaces time and time again. In 90 words this can be broken down intoYour day to day routine in the school mentioning your timetableWhat you do in each classYour f...
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Answered by Caolan S. • Spanish tutor
2708 Views