T Thumper New member Jul 4, 2009 #1 a runner is goes up a flight of stairs in 55 s. the stairs are 125 m long and inclined at an angle of 40 degrees. he his mass is 100 kg, what is his average power output on his way up. you can ignore friction and air resistance.
a runner is goes up a flight of stairs in 55 s. the stairs are 125 m long and inclined at an angle of 40 degrees. he his mass is 100 kg, what is his average power output on his way up. you can ignore friction and air resistance.
J jinkyu888 Guest Jul 4, 2009 #2 sin of 40 velocity = 125 / 55 that's the most hints i can give you on your homework