Monday

March 2, 2015

March 2, 2015

Posted by **shannon** on Thursday, July 3, 2008 at 10:19am.

- physical science -
**drwls**, Thursday, July 3, 2008 at 2:44pmThe kinetic energy (1/2) M V^2 will equal the lost potential energy (20,000 J) at the bottom of the hill. This assumes that it had nearly zero kinetic energy at the top of the hill.

You know M, so solve for V.

V = sqrt(2*20,000/M)

**Answer this Question**

**Related Questions**

Physical Science-please help - A 250.0 kg roller coaster car has 20000 J of ...

science - A 250.0 kg roller coaster car has 20,000 J of potential energy at the ...

Physical Science - A 250.0 kg roller coaster has 2.000 x 10^4 Joule of ...

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 ...

physics - At the top of a hill, a roller coaster has 67,500 J of kinetic energy ...

Physics - Analyzing Roller Coaster Performance Using Conservation of Mechanical ...

9th grade -physical science - a the top of a hill a rollercoaster has 67,500j of...

Physics - A roller coaster works by gravitational energy. The coaster car is ...