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A block of mass 5kg is placed on the end of a meter rule on the end of a table. Calculate the moment that is produced by the block.

1. Moment=Force x Distance 2. Convert mass into weight (x9.81) 3. Times the weight by the distance from the pivot point. 4. If done correctly the answer should be 49.06NKg (Don't forget units).
CB
Answered by Cameron B. Physics tutor
2306 Views

Simplify the following, 125^-2/3

1. The minus sign indicates that the answer is a reciprocal meaning basically 1 over. 2. Next, on inspection of the fraction, the 2 on top means that you square the number, times it by itself. 3. The 3 on th...
CB
Answered by Cameron B. Maths tutor
3487 Views

Differentiate dy/dx ((2x^3)+(x^2)-(4x)+7)

Differentiate each term in the equation separately then put then put the differentiated equation back together.First we start with (2x 3 ):2 x 3 = 6 and 3-1=2 so we get the differentiated term of 6x 2 then w...
TR
Answered by Theodora R. Maths tutor
3441 Views

Solve the simultaneous equations: 3x + y = 19 and x - 2y = -3

First rearrange x - 2y = -3 by adding 2y to each side to give x = -3 + 2ySubstitute this into the first eq. to give 3(-3 +2y) + y = 19Expand brackets first: -9 + 6y + y = 19Rearrange and simplify by collecti...
JM
Answered by Jessica M. Maths tutor
5722 Views

How can I write a good introduction

An introduction begins an essay in the most clear and concise way possible. It's important to immediately state what texts you'll be analysing and refer to any authors using their whole name the first time. ...
KL
4289 Views