Pear

New member
A tunnel, in the shape of a parabola, is built under a road. The width of the tunnel, at the bottom, is 32 m. The height if the tunnel, at the center, is 10 m. There is 4 m of dirt between the top of the tunnel and the road travelling above it. Determine the equation of the parabola if;
a) the origin is on the road directly above the ton of the tunnel (round your numbers to 3 decimal places where necessary)
b) the origin is at the bottom right of the tunnel
c) Vehicles passing under the tunnel can get as close as 1.5 m from the "sides" of the tunnel. what is the maximum height a vehicle can be and still fit under the tunnel? (use your equation from "a")

mmm4444bot

Super Moderator
Staff member
Hello Pear. What have you done so far? Have you drawn a diagram? Please let us know where you need help. Thank you.

lev888

Elite Member
A tunnel, in the shape of a parabola, is built under a road. The width of the tunnel, at the bottom, is 32 m. The height if the tunnel, at the center, is 10 m. There is 4 m of dirt between the top of the tunnel and the road travelling above it. Determine the equation of the parabola if;
a) the origin is on the road directly above the ton of the tunnel (round your numbers to 3 decimal places where necessary)
b) the origin is at the bottom right of the tunnel
c) Vehicles passing under the tunnel can get as close as 1.5 m from the "sides" of the tunnel. what is the maximum height a vehicle can be and still fit under the tunnel? (use your equation from "a")
You took the time to PM me but didn't have time to read the posting guidelines?

Pear

New member
You took the time to PM me but didn't have time to read the posting guidelines?
?

Pear

New member
Hello Pear. What have you done so far? Have you drawn a diagram? Please let us know where you need help. Thank y
Here is what I did so far!

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blamocur

Full Member
You got the general formula right, but then you replace p by 16 and q by 10 -- why?