Posted by **Alex** on Monday, August 27, 2012 at 5:51pm.

A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?

- Physics -
**Charrice**, Monday, August 27, 2012 at 11:03pm
(1) draw a right triangle.

(2) base = 100.0 m

(3) height = 31.4 m

(4) determine the angle (theta) between the base and the hypothenuse of the triangle.

Use tan theta = opposite side/adjacent side. don't forget to inverse tan.

- Physics -
**Anonymous**, Tuesday, August 28, 2012 at 12:05pm
jmkjkgdigj fjklfkl;j

- Physics -
**Latrice**, Thursday, August 30, 2012 at 5:50pm
How do you find the net force and its direction of the diagrams

## Answer This Question

## Related Questions

- physics - hill that has a 37.7 % grade is one that rises 37.7 m vertically for ...
- physics l - A hill that has a 15 % grade is one that rises 15.0 m vertically for...
- Physics - A hill that has a 31.4 % grade is one that rises 31.4 m vertically for...
- physics - A hill that has a 17.5% grade is one that rises 17.5 m vertically for ...
- physics - Marks: 5 A hill that has a 15 % grade is one that rises 15.0 m ...
- Math help please - Which hill described in the table is the steepest? Explain. ...
- math help please - Which hill described in the table is the steepest and why? ...
- math - Street | Horizontal | Vertical rise Distance ft. |of street ft. _______|...
- math - Which hill described in the table is the steepest? (Table) Street: ...
- Math - Which hill described in the table is the steepest? (Table) Street: ...

More Related Questions