ethan62211
20.04.2021 •
Mathematics
An rock is dropped from a 199-foot platform. Use the projectile formula h = − 16 t 2 + v 0 t + h 0 to determine when the rock hit the ground. [Recall that v 0 is the initial velocity of the object and h 0 is the inital height of the object. Note that since the rock is dropped, v 0 = 0 . ]
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Ответ:
air space. So we need to find the volume of the cone and the volume of the cylinder.
Lets start with the volume of the cylinder since its easiest. The volume of a cylinder is Pi*r^2*h = Volume.
We already know that the radius is 5 and the height is 16 so lets plug them in and solve. 3.14*5^2*16=1,256
Now lets solve to find the volume of the cone. Now this ones a bit harder, the equation is: Pi*r^2*(h/3)= Volume.
The radius is 4 and the height is 12, so now just solve! 3.14*4^2*(12/3)=201
Now we just need to subtract the Volume of the cylinder from the volume of the cone. 1,256-201=1,055
If you have any questions just ask!