woleraymond
 Name:
 Komolafe Raymond
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 Just Crazy
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Questions Answered

woleraymond:
Group Title
if equal mixture of CO + H is added what will be the end result?
 updated one year ago
 4 replies
 1 Medal
Mathematics

woleraymond:
Group Title
The charge on cations down a group
a. remains constant
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

woleraymond:
Group Title
Which of these metals is radioactive?
a. rubidium
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

woleraymond:
Group Title
which of these bonds has the weakest bond energy?
a. hydrogen bond
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

woleraymond:
Group Title
the ability of an element to partcipate in a chemical reactions is measured in form of its
a. electron density
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

woleraymond:
Group Title
Halogens have  electron affinity
a. exothermic
…
 updated one year ago
 9 replies
 2 Medals
Mathematics

woleraymond:
Group Title
Which of the following is not true as we move down a group of s and pblock elements in the periodic table
a. Effective nuclear charge is…
 updated one year ago
 4 replies
 1 Medal
Mathematics

woleraymond:
Group Title
When a die is thrown, what is the probability that the number is greater than 1, given that it is odd?
 updated one year ago
 4 replies
 1 Medal
Mathematics

woleraymond:
Group Title
Three balls are drawn from a box containing 6 red marbles, 4 white marbles and 5 blue marbles. Find the probability that they are drawn in t…
 updated one year ago
 6 replies
 3 Medals
Mathematics

woleraymond:
Group Title
If two dies are toced together what is the probability of having sum of 5 as the outcome.
 updated one year ago
 3 replies
 1 Medal
Mathematics

woleraymond:
Group Title
If two dies are tossed together,what is the probability of having equal outcomes
 updated one year ago
 3 replies
 1 Medal
Mathematics

woleraymond:
Group Title
A conducting wire is lying flat on the ground. The south pole of a bar magnet is brought down toward the loop. As t6he magnet approaches the…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

woleraymond:
Group Title
Which of the following is NOT correct?
a A changing electric field can produce a changing magnetic field
…
 updated one year ago
 13 replies
 2 Medals
Mathematics

woleraymond:
Group Title
Which of the following does NOT affect resistance of a wire?
a  diameter
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

woleraymond:
Group Title
Which of the following is not true about the electric field intensity \vec{E} of a uniformly charged solid sphere?
a {E} is maximum at th…
 updated one year ago
 5 replies
 2 Medals
Mathematics

woleraymond:
Group Title
A toroid with 1500 turns is wound on an iron ring 360mm^2 in cross section area of 0.75m mean circumference and of 1500 relative permeabilit…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

anthagui:
Group Title
A wave oscillates 50 times per second. What is its frequency?
a.25hertz
b.50hertz
…
 updated one year ago
 3 replies
 2 Medals
Mathematics

woleraymond:
Group Title
An electron is moving horizontally to the right at a speed or 4 x 10^6ms^1. It enters a region of length 20cm in which there
is an electic…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

woleraymond:
Group Title
If u and v are noncollinear vectors and
P = (x + 4y) u + (2x + y +1)v
Q =(y  2x + 2)u + (2x  3y 1)v
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

woleraymond:
Group Title
A twometer potentiometer wire is used in an experiment to determine the internal resistance of a Voltaic cell. The emf of the cell is balan…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

woleraymond:
Group Title
Two resistance coils, P and Q are placed in the gaps of a meter bridge A balance point is found when the movable contact touches the bridge …
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

woleraymond:
Group Title
find the area bounded by y = 1 + x the x axis and the curve y = x(x4)
 updated one year ago
 10 replies
 1 Medal
Mathematics

woleraymond:
Group Title
A curve passes through the origin of coordinates and its gradient is 2x  x^2/3 at the point whose abscissa is x .Find the ordinate of the …
 updated one year ago
 9 replies
 1 Medal
Mathematics

woleraymond:
Group Title
A convex lens with focal length 15cm is placed 45cm away from the object 2.5 cm tall.
a  Determine the position and the size of the ima…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

woleraymond:
Group Title
In figure below if a charge of 4uc flows from the 6V battery to plate P of the 1 uF capacitor. what charge flow from
a  Q to R
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

woleraymond:
Group Title
The capacitance of a variable radio capacitor can be changed from 50PF to 95PF by turning the dial from 0 to 180 degrees. With the dial se…
 updated one year ago
 13 replies
 3 Medals
Mathematics

marian.wade:
Group Title
In Fig. 1956 (same as Fig. 1920a), the total resistance is 18 kΩ, and the battery's emf is 26.0 V. If the time constant is measured to be …
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

marian.wade:
Group Title
A C1 = 6.0 µF and a C2 = 3.0 µF capacitor are connected in series, and this combination is connected in parallel with a C3 = 3.5 µF capacito…
 updated one year ago
 9 replies
 2 Medals
Mathematics

teaman08:
Group Title
The figure is the positionversustime graph of a jogger.(Figure 1)
What is the jogger’s velocity at t = 10 m/s?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

woleraymond:
Group Title
Two charges +4e and +2e are fixed at points (0,0)cm and (0,40)cm on the x axis. A third charge e is placed on the straight line joining the …
 updated one year ago
 28 replies
 1 Medal
Mathematics
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