Tuesday

March 3, 2015

March 3, 2015

Posted by **i need your help please :(** on Wednesday, January 18, 2012 at 11:07pm.

- physics -
**drwls**, Thursday, January 19, 2012 at 1:23amYou would have received help earlier if you had listed the subject correctly. It is not "I need help please". If you also want that to be your name, that your choice.

For a quick answer, set the initial kinetic energy at the bottom equal to the work done against friction, after traveling a horizontal distance X, where it stops.

(1/2) M Vo^2 = M g *(0.030)*X

Vo s the initial velocity at the foot of the hill.

M cancels out, and does not matter. Solve for X.

X = Vo^2/(2*g *.03)

Since you are using feet as the length unit, g = 32.2 ft^2/s

**Answer this Question**

**Related Questions**

physics - a sled weighing 100 pounds reaches the foot of a hill with a speed of ...

Pyhsics - A sled slides down a snow-covered hill at CONSTANT SPEED. If the hill ...

Physics - a 60 kg boy on a sled reaches the bottom of a hill traveling at 8 m/s...

Physic - A father pushes horizontally on his daughter's sled to move it up a ...

Physics - A father pushes horizontally on his daughter's sled to move it up a ...

physics - A father pushes horizontally on his daughter's sled to move it up a ...

Physics - A loaded penguin sled weighing 66 N rests on a plane inclined at angle...

physics - A loaded penguin sled weighing 75 N rests on a plane inclined at angle...

Physics - A loaded penguin sled weighing 73 N rests on a plane inclined at angle...

Physics - A loaded penguin sled weighing 81 N rests on a plane inclined at angle...