Posted by **henry** on Tuesday, November 8, 2011 at 9:04am.

If a man has an average useful power output of 31 W, what is the minimum time, in s, it would take him to lift fifty 12.3 kg boxes a height of 2.3 m.

i'm not sure how to go about it if anyone can help me

Thanks

## Answer This Question

## Related Questions

- physics - If a man has an average useful power output of 31 W, what is the ...
- Physics - If a man has an average useful power output of 31 W, what is the ...
- physics - A lift is used to carry boxes to the top floor of a hotel 20m high.A ...
- Physics - A weightlifter raises a 90k-g barbell from the floor to a height of 2...
- Physics - What is the average power output of a weightlifter who can lift 260 kg...
- physics - a 70-kg man climbs a mountain 1200 m high (measured from the base) in ...
- physics - A record was set for stair climbing when a man ran up the 2300 steps ...
- Science - Ok, so the formula for power is p=w/t but how would it work in this ...
- physical science - a weightlifter raises a 70 kg barbell from the floor to a ...
- Physics - In 2.0 minutes, a ski lift raises 5 skiers at constant speed to a ...

More Related Questions