Federal polytechnic, Mubi

if i want to change a polytecnic is there any requirements for that because i…

if i want to change a polytecnic is there any requirements for that because i was told that you have to go for it for one year?

did the code has expire date.?

did the code has expire date.?

explain why bench trioxonitrate(v)acid in the laboratory appears yellow?

explain why bench trioxonitrate(v)acid in the laboratory appears yellow?

A stone is projected vertically upwards from the ground with a velocity of 25 cm/s….

A stone is projected vertically upwards from the
ground with a velocity of 25 cm/s. Its height above
the ground aftert second is Sm where 25t – 9.81,2.
After what time is it: (i) 20 m above the ground?
(ii) 40 m above the ground (iii) back to the ground?
(iv) Find the greatest height attained by the stone.?