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Assignment

Maths

Pls help me out, I hv 4got hw 2 solve it

ass_picture/excel34_1515192511_ass.png's assignment photo

ass_picture/excel34_1515192511_ass.png's assignment photo

asked a week ago    



Assignment

Machine

A lift of mass 200kg,containing a load of mass 50kg rises through 30m in 15sec.calculate
the average power output of the motion in the absence of friction

asked 3 months ago    

Answer

54cm^3

answered 3 months ago    



Assignment

Electricity Field

Calculate the length of a constantin wire of diameter 0.6mm and resistivity 1.1x10^-6
ohm require to construct require of resistance 35 ohm

asked 3 months ago    

Answer

9.0 ohms

answered 3 months ago    

Answer

The formula for this operation is l = RA/p
Where
R = Resistance = 35 Ohms
A = Cross-sectional Area = 3.142(d/2)^2
Since d = diameter = 0.6mm = 0.0006m
A = 3.142(0.0006/2)^2 = 2.8278x10^-7

Assuming from what you stated above you mean
p = Resistivity = 1.1x10^-6 Ohm-meter

L = (35(2.8278x10^-7))/1.1x10^-6
L = 8.9975m
Therefore, the length of the wire is 8.9975m approximately 9m.

Formula Reference
https://ni.ckzom/40

answered 3 months ago    



Assignment

Mathematics: Topic Number Pattern Of The Counting In 5s

How many 5kobo coins make up of #2•50(naria).

asked 3 months ago    

Answer

#2.50 = 250 kobo
Therefore, 250 / 5 = 50
This implies that 50 5kobo coins makes up #2.50

answered 3 months ago    



Assignment

Sampling

A sample of copper crystals has a mass of 13.6g.the sample is heated to drive off
all the water of crystallisation.the mass is reduced to 8.72g.calculate the formula
of the copper sulphate crystals

asked 4 months ago    

Answer

Hi John,
We have got a PDF to help you answer your question.

Click on this link to download the PDF - https://ni.ckzom/631

answered 4 months ago