Problem 61P

(I) (a) Show that one British horsepower (550 ft -lb/s) is equal to 746 W. (6) What is the horsepower rating of a 75-Wlightbulb?

Step-by-step solution

Step 1 of 2

Data:

Mass of shot putt (w) = 7.3 kg.

Final velocity of shot putt v = 14 m/s

Time taken for motion t = 1.5 s