3rd math
2/5
Chemistry
110
Rotational Motion Physics Problem
A car starts from rest on a curve with a radius of 150 and accelerates at 1.2.Through what angle will the car have traveled when the magnitude of its total acceleration is 2.2 ?
Physics
whats secad
geometry
An aeroplane when 6000 m high passes vertically above another plane at an instant when their angles of elevation at the same observing point are 60° and 45° respectively. How many meters higher is the one than the other?
science
light waves hitting the surface of a concave mirrror
Math
Determine the vector parametric equation of the line through the origin and the intersection of the lines (find the co-ordinates of this intersec- tion as well) v(t) = { 2t + 3 −4t t−3 } w(s) { 10s + 3 5s − 25 4 − 2s}
Math
the vector u makes angles α(alpha), β(beta), γ(gama) with respectively the X–axis, the Y –axis and the Z–axis. Find γ if α = 2π/3 and β = π /4
chem 12
write net ionic equations for each situation in which the precipitate redissolved on the addition of HNO3 or NH3.
physics
how does the gravitational force exerted by earth on the sun compare with the gravitational force exerted by sun on the earth? and would you expect tides to be higher at the equator or at the north pole? why?
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