A 4 hp lawnmower engine moves with a force of 1,492 N over a distance of 100.0 m. How much time did this requi

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A 4 hp lawnmower engine moves with a force of 1,492 N over a distance of 100.0 m. How much time did this require?

2007-09-23 05:32:58 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Physics

1 hp = 1 horsepower = 745.7 watts = 745.7 j/s
4 hp = 2982.8 j/s
1492N*100.0m = 149200j
149200j/ (745.7 j/s) = 200.1s = 3.33 min

2007-09-23 16:18:12 · answer #1 · answered by Hahaha 7 · 0⤊ 0⤋