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UTME 2017: Thread For Science Jambites - Education (19) - Nairaland

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Re: UTME 2017: Thread For Science Jambites by Nuel25846(m): 9:07pm On Apr 06, 2017
MOCK IS NEXT TOMORROW AND I AM YET TO RECIEVE ANY MAIL....GUYS IS IT NORMAL
Re: UTME 2017: Thread For Science Jambites by Nobody: 9:50pm On Apr 06, 2017
[quote author=felix00 post=55321992][/quote]
Yeah correct
Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 9:52pm On Apr 06, 2017
Guys let's all ask questions from English too.... Biology chemistry too. My head wan crack for physics
Re: UTME 2017: Thread For Science Jambites by Nobody: 9:52pm On Apr 06, 2017
frankele:
Okay it's been a long time dat i have been watching dis thread...And i love what u are doing... i have a coorection to make to dis question dat has to do with coefficient of friction...
Now u must understand Stokes law before u can do dat..so lemme explain... For :
M1: Since it is at d verge of sliding.... d Acceleration is =0.. derefore... T which is d tension is equals Coefficient of friction * M1g i.e T = u * M1g...
Now for Mass m2 Since d weight is more than d tension in d string.... M2g - T = m2A( Newton 1st law abt net force)... and dont forget dat at d point of sliding a =0 derefore M2g = T.. hence, since T = u*m1g ..therefore M2g = u*m1g... derefore u = M2/M1...
Thats it... hope it helps
Superb......I must say

1 Like

Re: UTME 2017: Thread For Science Jambites by Nobody: 9:53pm On Apr 06, 2017
Nuel25846:
MOCK IS NEXT TOMORROW AND I AM YET TO RECIEVE ANY MAIL....GUYS IS IT NORMAL
.......and I'm yet to register lipsrsealed
Re: UTME 2017: Thread For Science Jambites by Nobody: 10:05pm On Apr 06, 2017
Donpre:

Topic please
Current electricity (II)
Re: UTME 2017: Thread For Science Jambites by Nuel25846(m): 11:43pm On Apr 06, 2017
Keep the physic coming......I have problem with my calculations....it needs fixing.
Re: UTME 2017: Thread For Science Jambites by Nobody: 1:23am On Apr 07, 2017
Nuel25846:
MOCK IS NEXT TOMORROW AND I AM YET TO RECIEVE ANY MAIL....GUYS IS IT NORMAL
You'll receive your mail. Its normal. Don't forget the number of candidates is booming daily..
Re: UTME 2017: Thread For Science Jambites by Bankoleyemi: 1:31am On Apr 07, 2017
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Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 6:39am On Apr 07, 2017
Good morning everyone
Re: UTME 2017: Thread For Science Jambites by Temilola21(f): 6:57am On Apr 07, 2017
Good morning
Re: UTME 2017: Thread For Science Jambites by maxibestflow(m): 7:19am On Apr 07, 2017
THE MAIN DIFFERENCE BETWEEN ANNELIDS AND NEMATODES IS THE "segmented body"
Re: UTME 2017: Thread For Science Jambites by NeonDee(m): 8:44am On Apr 07, 2017
Good am pals... Pls is this combo good for Educational Administration??
"Biology, Economics, Commerce and Use Of English"
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 9:07am On Apr 07, 2017
Optimist1998:
Current electricity (II)
already found it... thanks
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 9:20am On Apr 07, 2017
Optimist1998:

Physics

In the diagram above, the hanging mass m2 is adjusted until m1 is on the verge of sliding. The coefficient of static friction between the mass m1 and the table is
A. m1/m2
B. m1g/m2
C. m2/m1
D. m2g/m1
C
coefficient = F/R
Cus F = M²g
Normal Reaction = M¹g
U = M²g/M¹g
U = M²/ M¹
Re: UTME 2017: Thread For Science Jambites by Nobody: 12:58pm On Apr 07, 2017
Chemistry:
How long would it take to deposit 0.08g of copper from CuCl2 solution by passing a current of 0.5A?
[Cu = 64, F = 96500 C mol-1]
A. 6 mins
B. 8 mins
C. 24 mins
D. 48 mins

Mg2+(aq) + 2e->(aq) → Mg(s)E°(volts) = -2.370
Zn2+(aq) + 2e->(aq) → Zn(s)E°(volts) = -0.763
Cds2+(aq) + 2e->(aq) → Cd(s)E°(volts) = 0.403
Cu2+(aq) + 2e->(aq) → Cu(s)E°(volts) = 0.340

In the electrochemical series above, the strongest reducing agents is?
A. Cu (s)
B. Cd(s)
C. Zn(s)
D. Mg(s)

What is the mass number of an element having 20 neutrons, 15 protons and 15 electrons?
A real image of an object fom1ed by a converging lens of focal length 15cm is three times the size of the object. What is the distance of the object from the lens?
A. 30cm
B. 25cm
C. 20cm
D. 15cm
E. 10cm

Which of the following ions is isoelectronic with neon? [3 Li, 9F, 10 Ne, 17 CI, 19 K]
A. CI -
B. F -
C. K +
D. Li+

Edited
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 1:41pm On Apr 07, 2017
Optimist1998:
Chemistry:
How long would it take to deposit 0.08g of copper from CuCl2 solution by passing a current of 0.5A?
[Cu = 64, F = 96500 C mol-1]
A. 6 mins
B. 8 mins
C. 24 mins
D. 48 mins
B

Mg2+(aq) + 2e->(aq) → Mg(s)E°(volts) = -2.370
Zn2+(aq) + 2e->(aq) → Zn(s)E°(volts) = -0.763
Cds2+(aq) + 2e->(aq) → Cd(s)E°(volts) = 0.403
Cu2+(aq) + 2e->(aq) → Cu(s)E°(volts) = 0.340

In the electrochemical series above, the strongest reducing agents is?
A. Cu (s)
B. Cd(s)
C. Zn(s)
D. Mg(s)
D

What is the mass number of an element having 20 neutrons, 15 protons and 15 electrons?
35

A real image of an object fom1ed by a converging lens of focal length 15cm is three times the size of the object. What is the distance of the object from the lens?
A. 30cm
B. 25cm
C. 20cm
D. 15cm
E. 10cm
Not quite sure but I'd go with C

Which of the following ions is isoelectronic with neon? [3 Li, 3F, 10 Ne, 17 CI, 19 K]
A. CI -
B. F -
C. K +
D. Li,+
D
Re: UTME 2017: Thread For Science Jambites by Nobody: 2:00pm On Apr 07, 2017
Donpre:
B

D

35

Not quite sure but I'd go with C

D
The highlighted ans is wrong
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 2:03pm On Apr 07, 2017
Optimist1998:

The highlighted ans is wrong
Adding 3 to fluorine was also wrong... I'd have gone for fluorine but then I saw 3 there and went for Lithium which was a closer bet
Re: UTME 2017: Thread For Science Jambites by Nobody: 2:19pm On Apr 07, 2017
Donpre:

Adding 3 to fluorine was also wrong... I'd have gone for fluorine but then I saw 3 there and went for Lithium which was a closer bet
Sorry that was an error from me....
Apologies
Re: UTME 2017: Thread For Science Jambites by jephthal: 2:28pm On Apr 07, 2017
castrokiller:
Please I want to be sure. Are we all going for med and surg
nope tongue
Re: UTME 2017: Thread For Science Jambites by CellTabRepairs: 2:35pm On Apr 07, 2017
That you are a Jambite is no reason to be idle. You can train yourself through school through knowledge and skills. I did.
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Re: UTME 2017: Thread For Science Jambites by Temilola21(f): 7:49pm On Apr 07, 2017
Please who has got a mail from Jamb about the mock exam?
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:39pm On Apr 07, 2017
Temilola21:
Please who has got a mail from Jamb about the mock exam?
Just a msg directing me to my email but couldn't find anything there
Re: UTME 2017: Thread For Science Jambites by Nuel25846(m): 10:12pm On Apr 07, 2017
IemFava:
Just a msg directing me to my email but couldn't find anything there
I just got everything I need for the mock.
For those of u who haven't visit jamb.
org.ng/efacility/checkmockcentre
then fill the box with your email address the details will pop up.....make sure u use an andriod fone....Goodluck.
Re: UTME 2017: Thread For Science Jambites by Nobody: 11:44pm On Apr 07, 2017
Nuel25846:

I just got everything I need for the mock.
For those of u who haven't visit jamb.
org.ng/efacility/checkmockcentre
then fill the box with your email address the details will pop up.....make sure u use an andriod fone....Goodluck.
mine didn't still show
Re: UTME 2017: Thread For Science Jambites by Nuel25846(m): 12:45am On Apr 08, 2017
IemFava:
mine didn't still show
use an android fone....keep trying.
Re: UTME 2017: Thread For Science Jambites by Nobody: 1:28am On Apr 08, 2017
IemFava:
mine didn't still show
Try using an advance browser like UCWEB, CHROME or FIREFOX. If its not in your inbox, check your spam messages...
Goodluck...
Re: UTME 2017: Thread For Science Jambites by Nobody: 3:44am On Apr 08, 2017
Nuel25846:

use an android fone....keep trying.
just saw it tnx
Re: UTME 2017: Thread For Science Jambites by Nobody: 3:46am On Apr 08, 2017
UniosunGuy:
Try using an advance browser like UCWEB, CHROME or FIREFOX. If its not in your inbox, check your spam messages...
Goodluck...
tnk u
Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 7:14am On Apr 08, 2017
Good morning

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