Application of Calculus Q. - Derivative (1 Viewer)

[Utility]

A conical fuel tank is 2.5m deep and has a top diameter of 2m. Fuel is withdrawn from the tank at a rate of 0.25 m³ /min. At what rate is the level of fuel falling at the instant when the depth of fuel is 1.5m?

 

[braintic]

A conical fuel tank is 2.5m deep and has a top diameter of 2m. Fuel is withdrawn from the tank at a rate of 0.25 m³ /min. At what rate is the level of fuel falling at the instant when the depth of fuel is 1.5m?

You've asked this question in the 2 unit forum and the Ext 2 forum, but not where it belongs - in the Ext 1 forum. Want to give it one more shot?

 

[Utility]

Don't be too harsh, I'm not even in Year 11.