1. Sep 7, 2006

### cowking

Help plz you all can do this

i am a noob at this here it is

1. Arecording timer makes 465 dots in 8.5s

(A) calculate its period . i have this but i dont know (B)
(B) Its actual period is 0.020s. calculate the percentage error

we are using the T=sec
----
cycles
i am a noob at this

2. Sep 7, 2006

### J77

First rule, then: show some working...

3. Sep 7, 2006

### cowking

sorry i am not a pro like you but i suck at this but thjx for the help ass and i think it is 91 % but i am not 100%

4. Sep 7, 2006

### J77

You could at least show what you have for A

btw: 91% is right - what's your working?

5. Sep 7, 2006

### cowking

thx man so 91 % is right kewl sorry for calling you a ass it sounded like you where being one

Last edited: Sep 7, 2006
6. Sep 7, 2006

### J77

That's OK - I've just woke up

7. Sep 7, 2006

### J77

Actually, 91% isn't the percentage error.

You're on the right lines tho' - if you got the 91%, you've got A, I presume...

Now take the difference between your vale of A and the actual value given, then work out the percentage error