Homework Help: college physics

Posted by ksunhsine on Sunday, October 5, 2008 at 9:19pm.

a golfer rides in a golf cart at an average speed of 3.10 meters/sec for 28.0 sec. she then gets out of the cart and starts walking at an average speed of 1.30 m/s. for how long in seconds must she walk if her average speed for the entire trip, riding and walking is 1.8m/s?

college physics - drwls, Monday, October 6, 2008 at 12:53am
Use the equation
Average speed =
(total distance travelled)/time

1.8 m/s =
[(3.1 * 28.0) + 1.30 t]/(t + 28)

t is the time spent walking. Solve for it
college physics - ben, Tuesday, September 27, 2011 at 4:04pm
0.81

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