Calcus

F(x)=X^3-6x^2+9x+2

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Word Done And Force.

A force of 9.0N is applied to a body at rest on a Smith horizontal surface. if the
body has a mass of 18.0kg and it moves in the direction of the force, Find the work
done in
(a) the first four seconds
(b) the fourth seconds.

Hi Joshua,

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Maths

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

Greetings,

I am sorry for the very very late reply.
You can check our calculator app on Arithmetic and Geometric Progression. I believe
it can help.
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Arithmetic Progression - https://ni.ckzom/371
Geometric Progression - https://ni.ckzom/371

Thank you. This late reply would not happen again.

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

54cm^3

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

9.0 ohms

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
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