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A runner of weight 588N runs at a speed of 8 miles/hr. What is the kinetic energy of the runner? Determine the power exerted by the runner over a distance of 10m.

KE = 1/2 m v^2m = 588/9.8 = 60 kgv = 8 miles/hr = 3.56 m/sKE = 379 JP = E/tt = d/v = 10m/3.56m/s = 2.81 sP = 135 W
ED
Answered by Eliza D. • Physics tutor
3188 Views

Describe the 3 overall stages of the cell cycle and the processes ongoing during the cell's life.

The cell cycle is composed of 3 main stages: 1) Interphase During the interphase stage of the cell cycle, the cell grows and organelles such as mitochondria and ribosomes double. The DNA also multiplies to f...
YA
Answered by Yousif A. • Biology tutor
112429 Views

How does Philip Larkin create humour in his poem 'This Be The Verse'?

People often find it quite hard to write about humour in exams – in all the analysis that is expected of you, it can be easy to forget that things can be funny! Larkin’s ‘This Be The Verse’ is typical of his...
KC
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How do you calculate the area of a triangle when the question tells you the length of all three sides but no angles?

use the cosine rule to get angle A; cos(A) = (b 2 + c 2 - a 2 )/2bc2) Use '1/2 x a b x sin(C)' to get the area of the triangleNote: the side 'a' is the one opposite angle A
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Answered by Tom H. • Maths tutor
3550 Views

'dux militibus imperavit ut summa virtute pugnarent.' What construction is this? Parse 'militibus' and explain why it is like this. With the same construction, rewrite this sentence using 'iubeo' instead of 'imperare'.

This is an indirect command. 'militibus' is dative masculine plural because in an indirect command, the verb 'impero, imperare, imperavi, imperatus' takes a dative subject - to order to someone to do somethi...
RK
Answered by Rishem K. • Latin tutor
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