Asked by Carolina
an orangutan throws a coconut vertically upward at the foot of a clif 40 m high while his mate simulaneously drops another coconut from the top of the clif. the two coconuts collide at an altitude of 20 m what is the initial velocity of the coconut that was thrown upward?
i know the equations
x= position = .5a t^2 + v (velocity) initial t + x initial (pos)
v= at+v initial
a=a
please help thanks!!
i know the equations
x= position = .5a t^2 + v (velocity) initial t + x initial (pos)
v= at+v initial
a=a
please help thanks!!
Answers
Answered by
bobpursley
Go to the bottom coconut
20=Vi*t-1/2 g t^2
Now go to the top coconut
20=40-1/2 g t^2
solve for t in the second equation, put it in the first, solve for vi
20=Vi*t-1/2 g t^2
Now go to the top coconut
20=40-1/2 g t^2
solve for t in the second equation, put it in the first, solve for vi
Answered by
Carolina
waht is g?
Answered by
Carolina
and what do you mean by top and bottom?
thanks
thanks
Answered by
bobpursley
top of clift, bottom of cliff
g is -9.8m/s^2, the acceleration of gravity.
g is -9.8m/s^2, the acceleration of gravity.
Answered by
Carolina
why didyou use
these equations
Go to the bottom coconut
20=Vi*t-1/2 g t^2
Now go to the top coconut
20=40-1/2 g t^2
these equations
Go to the bottom coconut
20=Vi*t-1/2 g t^2
Now go to the top coconut
20=40-1/2 g t^2
Answered by
bobpursley
You were given distance, those are the distance equation.
finalposition=initial position+vi*t+ 1/2 a*t^2
memorize that. g= is negative(downward), so make the last term - 1/2 9.8 t^2, some just write - 4.9t^2
finalposition=initial position+vi*t+ 1/2 a*t^2
memorize that. g= is negative(downward), so make the last term - 1/2 9.8 t^2, some just write - 4.9t^2
Answered by
Heisenberg
If objects acted simultaneously their relationship is time. The time is obtain because the time of collision between the coconut is the same.
Answered by
Rohan
A coconut is hanging on a tree at height of 15m from the ground a body launches as projectile vertically upward with velocity 20m/sat what time projectile will pass the coconut
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