Posted by **KRIS** on Friday, March 16, 2012 at 12:30am.

A roller coaster reaches the top of the steepest hill with a speed of 3.0 km/h . It then descends the hill, which is at an average angle of 40 degrees and is 50.0 m long. Estimate its speed when it reaches the bottom. Assume kinetic friction (uk) = 0.18.

## Answer This Question

## Related Questions

- Physics - "A roller coaster reaches the top of the steepest hill with a speed of...
- Physics - A roller coaster reaches the top of the steepest hill with a speed of...
- physics - A roller coaster reaches the top of the steepest hill with a speed of ...
- Physics - A roller coaster reaches the top of the steepest hill with a speed of ...
- physics - A roller coaster reaches the top of the steepest hill with a speed of ...
- Physics - A roller coaster reaches the top of the steepest hill with a speed of ...
- Physics..PLZ HELP!! - A rollercoaster reaches the top of the steepest hill with...
- Physics - At the beginning of a roller coaster ride, the car is lifted to the ...
- Physics - At the beginning of a roller coaster ride, the car is lifted to the ...
- Physics - At the beginning of a roller coaster ride, the car is lifted to the ...

More Related Questions