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Latest 5 Assignments


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 2 months ago    

Answer

54cm^3

answered 2 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 2 months ago    

Answer

9.0 ohms

answered 2 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/124

answered 2 months ago    



Assignment

Mathematics: Topic Number Pattern Of The Counting In 5s

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

asked 2 months ago    

Answer

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

answered 2 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 3 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/522

answered 3 months ago    



Assignment

Vector Representation

A man wishes to travel due North in order to cross a river 5km wide flowing due East
at 3kmhr^-1. If he can row at 10kmhr^-1 in still water. Find either scale drawing
or by calculation.
i). The direction in which he must head his boat in order to get to his destination
directly opposite his starting point.
ii). The Resultant Velocity of rhe boat in the river.
iii). The time taken to cross the river.
Iv). How far from his destination he would land if he ignorantly steers northward.

asked 4 months ago    

Answer

Hi wisdom,

Check out this link - https://ni.ckzom/777

It probably has the solution you are looking for.

answered 4 months ago