₦airaland Forum

THANKS 4 D INFO

Giitheon:
instruction's like,passport size nd passport backgroung color

Dey Didnt disqualify any1...everybody dah Used Bluebackground,Dey Allowed Dem Ryt oooo..its Jes Dah Dey DidnT Release Deir post ume result..DEY DIDNT DISQUALIFY ANY1 DURING D POSTUME DAH FRIDAY

Benjaminbest:
d first answer is 2.85s
d second is 360g
d third is 50cm
fourth.is 11.36km
fifth is 480k or #4.80

Bro 4 daht No 3...supposed 2 b in metres..U Ryt Tho.50cm is 0.5 or 1/2metres..

pm Countryfolks..lets mke dz thread mur lively..i saw dz sumwer...LETS C WHOS SHARPER... m):
At a party,everyone shook hands with everyone
else.
There were 66 handshakes.How many people were
at the party?

Princecalm:
Every body wrong so far

Shit!!! cant Blive i FaileD Dz Stuff den,wel sha i use head den buh now i do am 4 paper....ITS 12 PEOPLE....CLAP 4 MEEEE

4 number 5,Total cost = power*time/1000 d ansa mutuplied by d amount in kilowatts xo therefore , time is 20 days xo we convert it 2 hours...24 hrs mke 1 day xo 20 days is 480hrs


xo 200*480/1000=96kw...since 5k is For every kilowatt xo its 96kw*5=480k...buh recall its kwh(kilowattperhour) so 480k= N48.........D COST IS N48(forty eight naira)

Benjaminbest:
a simple pendulum with a period of 2.0 has it length doubled. It new period is?
If d relative density of a mental is 19 what will b d mass of 20cm of d metal wen immersed in water?
If d fundamental frequency of a closed pipe organ on a day when d speed of sound is 340ms-1 is 170hz then d length of d pipe is?
A man walk 8km north and then 5km in a direction 60 degree east of north. Find d distance from his starting point?
A household refrigerator is rated 200watts. If electricity cost 5k perkwh, what is d cost of operating it for 20days

.....4 no 3..at fundamental,D lenght of a closed pipe is wavelenght/4= ^/4... but recall velocity= frequency * wavelenght..mkin wavelenght subject f Formula its 340/170= 2metres...
so bak 2 our closed pipe formula...Lenght=^/4.. so lenght is 2/4 = 1/2 or 0.5m

Dey Wer 7 people...

Ummm lemme C...well i prefer a beautiful gurl ooo.4 eg der was a beautiful gal in ma Class Doze days..she wasnt 2 bryt xo sumtym i do teach ha chemistry..she became xo fond f me errytym we b hanging 2geda..4rm der i kon dey Tap current small till we passed out...waht doz intelligent girls want 4rm guys?? dem dey 2 proud..if u mistakenly approach dem na curse u go receive..I PREFER A BEAUTIFUL GAL 2 AN INTELLIGENT 1

Benjaminbest:
before solving such question u must understand d image given and d lens use.....lets not make dis an issue iam waiting for ur explanation on density

Benjaminbest:
before solving such question u must understand d image given and d lens use.....lets not make dis an issue iam waiting for ur explanation on density

Benjaminbest..Mathefaro z Ryt...I/f= 1/u+1/v= 1/12=1/u+1/3u.......
solving d Fraction 1/u+1/3u=4/3u....therefore...12=4/3U...mkin u subject f formulae we hve U= 16...nd V= 3U..3*16=48...so d diatance btwen image nd object is 48-16=32cm

Destilo:
Thnk u

no P.bro.Anytym

kentozybee:
Who is smarter?
Three University student didn't
write an exam because they did
not study. They came up with a
plan, got themselves dirty using
grease then went to see the Dean.
"Sir we are sorry we couldn't
make it to then exam.
We attended a wedding and on
our way back the car broke down
thus we became so dirty as you
can see."
The Dean understood and gave
them three days to prepare. After
three days they went to the Dean
very ready for the exam because
they had studied.
The Dean put them in there
separate classes.
There were only four questions in
the exam paper:
1. Who and who got married? (25
mks)
2. Where was the reception held?
(25mks)
3. Where exactly did the car break
down? (25mks)
4. What type of car broke down?
(25mks)
If you are those guys how will you answer these questions?
Note: Your answers must be the
same. Good luck!

Lol.. Omo na Carryova Tins oooooo

chimhigher:
Ok..4 number 1...Frictional force(F)=coefficient f reaction(U) X normal Reaction(R)...so making coefficient of friction d subject of formulae it becomes U=F/R.... Recall F= sin@ while R=cos@...so U=sin@/cos@= tan@..so d coefficient of friction is tan@=tan60= √3 so no 1 ansa is √3

No 2...d magnitude wuld b Mgsin@ = 30*10*sin30=300sin30= 150N

Destilo:
1. A rough wooden block on a rough plank is drawn along the plane of the plank when inclined at 60 degree to the horizontal. Determine the coefficient of friction between two surfaces.
2. If a force of 50N moves a load of 30kg up an inclined plane. Determine the magnitude of the force if the plane is inclined at an angle of 30 degree.
Thank you

Ok..4 number 1...Frictional force(F)=coefficient f reaction(U) X normal Reaction(R)...so making coefficient of friction d subject of formulae it becomes U=F/R.... Recall F= sin@ while R=cos@...so U=sin@/cos@= tan@..so d coefficient of friction is tan@=tan60= √3 so no 1 ansa is √3

Destilo:
1. A rough wooden block on a rough plank is drawn along the plane of the plank when inclined at 60 degree to the horizontal. Determine the coefficient of friction between two surfaces.
2. If a force of 50N moves a load of 30kg up an inclined plane. Determine the magnitude of the force if the plane is inclined at an angle of 30 degree.
Thank you

Ok..4 number 1...Frictional force(F)=coefficient f reaction(U) X normal Reaction(R)...so making coefficient of friction d subject of formulae it becomes U=F/R.... Recall F= sin@ whi

.

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3coins: LOL

Abeg na...

efedua: which course u rep

bro pls ur Email nd Numba

3coins: ??

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Lol ooooh sowi 1ncemur..ummm d ansa wuld b 1/2x²- 1/2x⁰ m i ryt?? Kinda confusing

X+1/x wuld hv used d first principle buh i cant typ it...so lemme jes go on ....dy/dx of (X)=1 nd 4 1/x from indices its X^-1 xo using differentiation principle nx^n-1 xo it bcomes -1x^-1-1 i.e -1x^-2 so d ansa is 1+(-1x^-2= 1-1/x²

mathefaro: Given that dy/dx = x + 1/x, find the value of y.

d ansa is 1-x^-2 or 1-1/x²

Microtee: I'll try my best bro but physics has been d issue.

bro an advice NOTHING IS AN ISSUE,is jes daht u hvent made up ur mynd 2 rili wana knw it...it was same 4 me Den..i hated physics lyk HELL YEAH...until a Fellow SS2 classmate was now using it 2 always tackle me erry1 wuld now b hailing hm in class...nobody told me 2 go and Start reading it..i read it Till it became ma Best Subject..i passed out in 2012 d bst physics student in ma set...Determination owns it all...i Rep UNIBEN

Incredyable: good luck. course mate.

Incredyable na Lie jor..u don gain admission 4 1st list i remember.

mathefaro: I know you'll fall for the trap, this answer is wrong, go through the question again please, I know you'll get it.

lol sowi jawe 2 much rush rush...i didnt c d circumference i tut twas centre...k.angle at d circumference= 2 X angle n d Centre..so its 120....so 120/360*2π9... daz 1/3* 2π9= 18π/3=6π. Lol rush rush no gud...

mathefaro: What is the length of an arc which is subtended by an angle of 60⁰ from the circumference of a circle of radius 9cm in terms of pi

lenght f an arc= @/360*2πr.......so 60/360*2π*9=1/4*2π*9=18π/4= 4.5π

mathefaro: Correct, but you should have shown the house how you got the answer na.

owk m sowi rum..2x-5)⁷ .............Let (2x-5) be U...so it becomes U⁷ so dy/du=7U⁶ dfferentiating (2x-5) dy/dx=2. Xo dy/du X du/dx= 2*7U⁶= 14(2x-5)⁶..
Dax it oga boss

mathefaro: If y = (2x - 5)⁷ , find dy/dx

14(2x-5)⁶