physics
the weight of a solid is 80g in air and 50g in liquid of relative density 1.5. calculate the relative density of the solid.
maths
can we mark 2 or more points common to two angles
maths
in triangle abc if ab=bc then angle a = angle c or angle a = angle b
maths
factorise a^12x^4-a^4x^12
maths
factorise a^7+ab^6
maths
express 15.7121212... in the form p/q where p and q are integers and q not equal to 0.
maths
simplify 7*3^1/2-5*2^1/2/(48^1/2-18^1/2)
maths
simplify (3+3^1/2)((2+2^1/2))^2
physics
a body travels half of its total path in the last second of its free fall from rest.what is the duration of fall . you have answered the question before but the answer my mam gave is 3.4sec but you have solved it to 1.4sec .plz solve it for me
physics
Between two stations a train acclerates uniformly at first, then moves with constant velocity and finally retards uniformly. If the ratio of the time taken be 1:8:1 and the max speed attained be 60km/h then what is the average speed over the whole journey?
For Further Reading
