Aishat

A boy is 6yrs older than his sister the product of their ages is 135'

A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load of 50N through a height of 20m If the total workdone against friction in the pulleys is equivalent to 800j Calculate I.Total workdone by the effort ii.The efficiency of t...

Two angles form a linear pair.The measure of one angle is 24 more than the measure of the other angle.Find the measure of the each angle

A load of 1kg stretches a cord by 1.2cm.what is the force constant of the cord?

calculate the area in hectares of a rectangular field 126m long and 97m wide.(1ha=10000m)

The sum of the first 21 term of the progression -18 -15 -12

find the

Yes

5N

Yes

I believe it is a

I want to see the diagram

Good i need more details of these

The answer is 17.4cm

I don't understand this question Can you show the full wokings

Yes