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How do you improve measurements and reduce error in a physics lab experiment?

Repeat measurements and find the average (usually mean) result2) Use a higher precision apparatus3) Zero or recalibrate the instrument to avoid incorrect results
TD
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If a car is traveling at a speed of 10m/s. The driving force of 500N is required to keep the speed constant . What is the power supplied by the engine?

In the question we are given:Speed=10m/sForce=500NPower is work done per second and also the force times velocity.(could discuss how this works in units: W=J/s = Nm/s therefore Joules = Newton-meters )So pow...
TD
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Using a diagram, explain why firms in monopolistic competition are neither allocatively nor productively efficient?

Assumptions: large no. of firms in the industry, relatively small firms, low barriers to entry, perfect knowledge, product differentiation Allocative efficiency: MC=AR and the market allocated resources so t...
SL
Answered by Sukirti L. • Economics tutor
9132 Views

Show that 1+cot^2(x)=cosec^2(x)

Need to remember that:sin 2 (x)+cos 2 (x)=1 (eq.1)Divide the whole eq.1 by sin 2 (x)to get:sin 2 (x)/sin 2 x+cos 2 (x)/sin 2 (x)=1 /sin 2 x Which is the same as:1+cot 2 x=cosec 2 x
TD
Answered by Tutor114151 D. • Maths tutor
62836 Views

What do Oxbridge tutors look for in a personal statement?

There are two important things to bear in mind when starting the personal statement, as it can seem a daunting task: firstly, to remember that this will be read by all universities applied to, not just Oxbri...
GC
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