Posted by **Manny** on Sunday, October 14, 2007 at 11:05pm.

Could you please explain to me these problems, I don't understand them.

Do 100 J of work in 50 s and your power output is?

- I got 2, but not sure of the units.

A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have a kinetic energy of ?

I don't understand this queston

A diver who weighs 500 N steps off a diving board that is 10 m above the water. The diver hits the water with kinetic energy of?

I don't understand this question

- Physics Word Problems -
**bobpursley**, Monday, October 15, 2007 at 6:05am
a Joule/second is defined as a watt.

The second is conservation of energy. The arrow should have the same KE as the bow had PE.

The third is exactly the same, The diver had mgh of PE, he should have that KE at the bottom.

## Answer This Question

## Related Questions

- AP Physics - Could you please explain to me these problems, I don't understand ...
- Math please explain!! - A student got 80 percent problems correctly which is 32 ...
- 5th grade math (word problems) - I'm not sure how to solve the following problem...
- Algebra - Here is the problem: A two-digit number is eight times the sum of its ...
- Algebra - Here is the problem: A two-digit number is eight times the sum of its ...
- Phyics Word Problems - Could you please check my work and help me with two of ...
- programming - I am in IT/210 and am having problems with the entire class. But ...
- meaning of a word - The constitution was an attemt to addrss the problems that ...
- Chemistry URGENT - I am having a hard time understanding how to calculate pH. my...
- thx 4 the help roger - thx 4 the help i got the steps You're welcome and I'm ...

More Related Questions