Date: Tue, 17 May 2005 12:32:55 -0400

Author: "Larry Hess"

Subject: Fw: Physics question

Post:

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Can anyone help me with the following? Thanks in advance

Here is what my Physics students would like to do.

I have a small horse treadmill, and(somehow), we would like students to "ru=
n" on the treadmill, and in front of them have a large circular dial that w=
ould indicate their horsepower. ie...faster they run, the more horsepower =
indicated. Each student's mass would be the same, "g" is constant, and the=
ir height above the ground would remain the same. Only the treadmill speed =
would change. How would we convert this to horsepower ?, and also, I assum=
e we could .by belt, or cog gear, rig up a dial of some type; but calibrati=
ng it from speed of foot movement to conversion of horsepower is puzzling.=
Can this be done? Your thoughts would be greatly appreciated.

Thanks,

Larry Hess
Physics teacher=

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Can anyone help me with the=20
following?    Thanks in advance

 

Here is what my Physics students would lik=
e to=20
do.

 

I have a small horse treadmill, and(someho=
w), we=20
would like students to "run" on the treadmill, and in front of them have a =
large=20
circular dial that would indicate their horsepower.  ie...faster they =
run,=20
the more horsepower indicated.  Each student's mass would be the same,=
"g"=20
is constant, and their height above the ground would remain the same. =
Only=20
the treadmill speed would change.  How would we convert this to horsep=
ower=20
?, and also, I assume we could .by belt, or cog gear, rig up a dial of some=
=20
type; but calibrating it from speed of foot movement  to conversi=
on of=20
horsepower is puzzling.  Can this be done?  Your thoughts would b=
e=20
greatly appreciated.

 

Thanks,

 

Larry Hess

Physics teacher


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From dodds@rice.edu Tue May 17 12:36:50 2005

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