Posted by **kayla** on Sunday, March 3, 2013 at 6:02pm.

a river does 6500J of work on a water wheel every second.The wheels efficiency is 12 percent.A)How much work in joules can the axle of the wheel do in a second? B)What is the power output of the wheel?

- science -
**drwls**, Sunday, March 3, 2013 at 7:05pm
(A) 12% of 6500 J

That would be 780 J (per second).

(B)780 J/s (Watts)

- general science -
**oli**, Wednesday, February 11, 2015 at 8:58pm
a river does 6500J of work on a water wheel every second.The wheels efficiency is 12 percent.A)How much work in joules can the axle of the wheel do in a second? B)What is the power output of the wheel?

## Answer this Question

## Related Questions

- physical science - A river does 6,500 j of work on a water wheel every second. ...
- Math - A river does 6,500 J of work on a water wheel every second. The wheel's ...
- physics - Leon’s bicycle wheels have a circumference of 2 m. What is his linear...
- physics - If the rotational speed of each wheel is 9 revolution per second, what...
- physics - If the rotational speed of each wheel is 9 revolution per second, what...
- Science - You are holding the axle of a bicycle wheel with radius 30 cm and mass...
- Physics - Simple Machines A simple wheel and axle has a wheel diameter of 2.3m ...
- Geometry - A wheel turns at a rate of 12 turns every 5 seconds. If the wheel ...
- Trigonometry - A water wheel has a radius of 15 ft. A river passing through the...
- Trigonometry - A water wheel has a radius of 15 ft. A river passing through the...