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If a race car completed a full lap and is where he started, why is his average velocity zero but his average speed isn’t?

Velocity is displacement over time, whereas speed is distance over time. Displacement is the shortest distance from point A to point B(a straight line). In this case, the starting point(point A) is the en...

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Answered by Osman O. Physics tutor
7730 Views

Integrate tan(x)^2 with respect to x

sin(x)2 + cos(x)2 = 1 divide by cos(x)2 tan(x)2 + 1 = sec(x)2 therefore tan(x)2 = sec(x)2 - 1 integral of sec(x)2 - 1 rwt x = tan(x) - x + C therefore the integral of tan(x)2 rwt x = tan(x) - x + C

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Answered by Osman O. Maths tutor
7525 Views

Where and why do we plot points on cumulative frequency graphs?

At the end of each group. Say you have a table of groups and frequencies corresponding to those groups, for example for x we have group 0<x<=5 with frequency 6 and group 5<x<=15 with frequency...

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Answered by Osman O. Maths tutor
4960 Views

"In Richard III, Shakespeare demonstrates that women lack agency." By exploring the role and dramatic presentation of women in Richard III, evaluate this view.

Although the women in Richard III are seen as victims, their theatrical roles within the play supplies them with agency. As a play that derives partial inspiration from the tradition of morality plays, th...

EW
Answered by Emma W. English tutor
3363 Views

How to differentiate a bracket raised to a power i.e. chain rule

Lets say the equation to be differentiated takes the following format y = (ax2+bx+c)n, to find dy/dx: (1) Make u equal the contents of the bracket, u=ax2+bx+c. (2) Substit...

DF
Answered by David F. Maths tutor
25297 Views

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