Homework Statement
which one would be faster when reached the ground?
Homework EquationsThe Attempt at a Solution
conservation of energy
Pe=Ke
mgh=1/2mV^2
for 2-)m*g*cosa*(h/cosa)=1/2*m*V^2 -- V= sqrt(2*g*h)
for 1-) V=sqrt(2*g*h)
so V1=V2
Homework Statement
which ball reaches at the end of the board first, which ball reaches ground first, which ball would be fastest when reached ground and at the end of the board?
heights are same and balls are identical
Homework EquationsThe Attempt at a Solution
i think since ball rolls...
If the right wing right engine suddenly fails.which of the two rudders and how must be moved so that airplane maintains its attitude and flies straight (assuming the plane is on air not landing)