Peter weighs 100 pounds. He ran up a 6 foot hill in 2 seconds. What was Peter's power output? A. 1,200 ft-lbs./sec
B. 600 ft-lbs./sec
C. 300 ft-lbs./sec
D. 100 ft-lb/sec

300lb-ft/secs

Explanation:

Given parameters:

Weight of Peter = 100lb

Height of hill  = 6ft

Time taken  = 2s

Unknown:

Power output of Peter  = ?

Solution:

Power is the rate at which work is being done. It is expressed as;

     Power  =  

Work done  = force x distance = weight x height = 100lb x 6ft

 Work done  = 600lb-ft

   Power  =   = 300lb-ft/secs

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